{
  "version": "latest",
  "id": "bills-share",
  "label": "Bills as a share of marketable Treasury debt",
  "unit": "percent",
  "frequency": "monthly",
  "decimals": 2,
  "provider": "derived",
  "sourceLabel": "U.S. Treasury, Fiscal Data: Monthly Statement of the Public Debt, Table 1 (bills ÷ total marketable)",
  "sourceUrl": "https://fiscaldata.treasury.gov/datasets/monthly-statement-public-debt/",
  "fetchedAt": "2026-10-13",
  "lastObservation": "2026-09-30",
  "points": [
    [
      "2010-01-31",
      23.38
    ],
    [
      "2010-02-28",
      23.45
    ],
    [
      "2010-03-31",
      23.77
    ],
    [
      "2010-04-30",
      23.38
    ],
    [
      "2010-05-31",
      23.31
    ],
    [
      "2010-06-30",
      22
    ],
    [
      "2010-07-31",
      21.89
    ],
    [
      "2010-08-31",
      21.72
    ],
    [
      "2010-09-30",
      21.05
    ],
    [
      "2010-10-31",
      20.7
    ],
    [
      "2010-11-30",
      20.3
    ],
    [
      "2010-12-31",
      20
    ],
    [
      "2011-01-31",
      19.64
    ],
    [
      "2011-02-28",
      19.21
    ],
    [
      "2011-03-31",
      18.6
    ],
    [
      "2011-04-30",
      17.93
    ],
    [
      "2011-05-31",
      17.04
    ],
    [
      "2011-06-30",
      16.41
    ],
    [
      "2011-07-31",
      15.92
    ],
    [
      "2011-08-31",
      15.69
    ],
    [
      "2011-09-30",
      15.35
    ],
    [
      "2011-10-31",
      15.21
    ],
    [
      "2011-11-30",
      15.31
    ],
    [
      "2011-12-31",
      15.3
    ],
    [
      "2012-01-31",
      15.15
    ],
    [
      "2012-02-29",
      15.75
    ],
    [
      "2012-03-31",
      16.2
    ],
    [
      "2012-04-30",
      15.51
    ],
    [
      "2012-05-31",
      15.31
    ],
    [
      "2012-06-30",
      15.17
    ],
    [
      "2012-07-31",
      14.9
    ],
    [
      "2012-08-31",
      15.46
    ],
    [
      "2012-09-30",
      15.03
    ],
    [
      "2012-10-31",
      14.9
    ],
    [
      "2012-11-30",
      15.36
    ],
    [
      "2012-12-31",
      14.74
    ],
    [
      "2013-01-31",
      14.47
    ],
    [
      "2013-02-28",
      15.4
    ],
    [
      "2013-03-31",
      15.71
    ],
    [
      "2013-04-30",
      14.85
    ],
    [
      "2013-05-31",
      14.1
    ],
    [
      "2013-06-30",
      13.78
    ],
    [
      "2013-07-31",
      13.55
    ],
    [
      "2013-08-31",
      14.14
    ],
    [
      "2013-09-30",
      13.19
    ],
    [
      "2013-10-31",
      13.21
    ],
    [
      "2013-11-30",
      13.75
    ],
    [
      "2013-12-31",
      13.41
    ],
    [
      "2014-01-31",
      12.57
    ],
    [
      "2014-02-28",
      13.44
    ],
    [
      "2014-03-31",
      13.61
    ],
    [
      "2014-04-30",
      12.14
    ],
    [
      "2014-05-31",
      12.03
    ],
    [
      "2014-06-30",
      11.49
    ],
    [
      "2014-07-31",
      11.59
    ],
    [
      "2014-08-31",
      11.86
    ],
    [
      "2014-09-30",
      11.48
    ],
    [
      "2014-10-31",
      11.44
    ],
    [
      "2014-11-30",
      11.59
    ],
    [
      "2014-12-31",
      11.65
    ],
    [
      "2015-01-31",
      11.32
    ],
    [
      "2015-02-28",
      11.72
    ],
    [
      "2015-03-31",
      11.69
    ],
    [
      "2015-04-30",
      11.33
    ],
    [
      "2015-05-31",
      11.4
    ],
    [
      "2015-06-30",
      10.97
    ],
    [
      "2015-07-31",
      11.24
    ],
    [
      "2015-08-31",
      11.08
    ],
    [
      "2015-09-30",
      10.56
    ],
    [
      "2015-10-31",
      9.94
    ],
    [
      "2015-11-30",
      11.48
    ],
    [
      "2015-12-31",
      11.46
    ],
    [
      "2016-01-31",
      11.21
    ],
    [
      "2016-02-29",
      11.66
    ],
    [
      "2016-03-31",
      12.03
    ],
    [
      "2016-04-30",
      11.43
    ],
    [
      "2016-05-31",
      11.38
    ],
    [
      "2016-06-30",
      11.23
    ],
    [
      "2016-07-31",
      11.49
    ],
    [
      "2016-08-31",
      12.01
    ],
    [
      "2016-09-30",
      12.06
    ],
    [
      "2016-10-31",
      12.73
    ],
    [
      "2016-11-30",
      13.45
    ],
    [
      "2016-12-31",
      13.06
    ],
    [
      "2017-01-31",
      12.71
    ],
    [
      "2017-02-28",
      12.61
    ],
    [
      "2017-03-31",
      12.58
    ],
    [
      "2017-04-30",
      12.49
    ],
    [
      "2017-05-31",
      12.5
    ],
    [
      "2017-06-30",
      12.26
    ],
    [
      "2017-07-31",
      12.5
    ],
    [
      "2017-08-31",
      12.4
    ],
    [
      "2017-09-30",
      12.69
    ],
    [
      "2017-10-31",
      13
    ],
    [
      "2017-11-30",
      13.65
    ],
    [
      "2017-12-31",
      13.51
    ],
    [
      "2018-01-31",
      13.55
    ],
    [
      "2018-02-28",
      14.16
    ],
    [
      "2018-03-31",
      15.32
    ],
    [
      "2018-04-30",
      14.61
    ],
    [
      "2018-05-31",
      14.62
    ],
    [
      "2018-06-30",
      14.4
    ],
    [
      "2018-07-31",
      14.62
    ],
    [
      "2018-08-31",
      15.3
    ],
    [
      "2018-09-30",
      14.66
    ],
    [
      "2018-10-31",
      14.7
    ],
    [
      "2018-11-30",
      15.35
    ],
    [
      "2018-12-31",
      14.98
    ],
    [
      "2019-01-31",
      14.72
    ],
    [
      "2019-02-28",
      15.19
    ],
    [
      "2019-03-31",
      15.56
    ],
    [
      "2019-04-30",
      15.01
    ],
    [
      "2019-05-31",
      14.77
    ],
    [
      "2019-06-30",
      14.13
    ],
    [
      "2019-07-31",
      13.81
    ],
    [
      "2019-08-31",
      14.44
    ],
    [
      "2019-09-30",
      14.54
    ],
    [
      "2019-10-31",
      14.87
    ],
    [
      "2019-11-30",
      15.13
    ],
    [
      "2019-12-31",
      14.49
    ],
    [
      "2020-01-31",
      14.38
    ],
    [
      "2020-02-29",
      15.16
    ],
    [
      "2020-03-31",
      15.48
    ],
    [
      "2020-04-30",
      21.59
    ],
    [
      "2020-05-31",
      24.07
    ],
    [
      "2020-06-30",
      25.52
    ],
    [
      "2020-07-31",
      25.38
    ],
    [
      "2020-08-31",
      25.14
    ],
    [
      "2020-09-30",
      24.68
    ],
    [
      "2020-10-31",
      24.39
    ],
    [
      "2020-11-30",
      23.89
    ],
    [
      "2020-12-31",
      23.66
    ],
    [
      "2021-01-31",
      23.54
    ],
    [
      "2021-02-28",
      22.96
    ],
    [
      "2021-03-31",
      21.83
    ],
    [
      "2021-04-30",
      21.16
    ],
    [
      "2021-05-31",
      20.43
    ],
    [
      "2021-06-30",
      19.67
    ],
    [
      "2021-07-31",
      19.09
    ],
    [
      "2021-08-31",
      18.41
    ],
    [
      "2021-09-30",
      16.98
    ],
    [
      "2021-10-31",
      17.41
    ],
    [
      "2021-11-30",
      16.94
    ],
    [
      "2021-12-31",
      16.69
    ],
    [
      "2022-01-31",
      17.28
    ],
    [
      "2022-02-28",
      17.48
    ],
    [
      "2022-03-31",
      16.87
    ],
    [
      "2022-04-30",
      16.46
    ],
    [
      "2022-05-31",
      15.76
    ],
    [
      "2022-06-30",
      15.12
    ],
    [
      "2022-07-31",
      15.05
    ],
    [
      "2022-08-31",
      15.73
    ],
    [
      "2022-09-30",
      15.38
    ],
    [
      "2022-10-31",
      15.44
    ],
    [
      "2022-11-30",
      15.91
    ],
    [
      "2022-12-31",
      15.44
    ],
    [
      "2023-01-31",
      16.33
    ],
    [
      "2023-02-28",
      16.71
    ],
    [
      "2023-03-31",
      16.69
    ],
    [
      "2023-04-30",
      16.23
    ],
    [
      "2023-05-31",
      16.41
    ],
    [
      "2023-06-30",
      17.95
    ],
    [
      "2023-07-31",
      18.98
    ],
    [
      "2023-08-31",
      19.92
    ],
    [
      "2023-09-30",
      20.43
    ],
    [
      "2023-10-31",
      20.99
    ],
    [
      "2023-11-30",
      21.59
    ],
    [
      "2023-12-31",
      21.52
    ],
    [
      "2024-01-31",
      21.8
    ],
    [
      "2024-02-29",
      22.41
    ],
    [
      "2024-03-31",
      22.5
    ],
    [
      "2024-04-30",
      21.79
    ],
    [
      "2024-05-31",
      21.69
    ],
    [
      "2024-06-30",
      21.32
    ],
    [
      "2024-07-31",
      21.62
    ],
    [
      "2024-08-31",
      22.18
    ],
    [
      "2024-09-30",
      21.66
    ],
    [
      "2024-10-31",
      22.1
    ],
    [
      "2024-11-30",
      22.64
    ],
    [
      "2024-12-31",
      21.88
    ],
    [
      "2025-01-31",
      22.37
    ],
    [
      "2025-02-28",
      22.24
    ],
    [
      "2025-03-31",
      21.53
    ],
    [
      "2025-04-30",
      21.21
    ],
    [
      "2025-05-31",
      21
    ],
    [
      "2025-06-30",
      20.18
    ],
    [
      "2025-07-31",
      20.7
    ],
    [
      "2025-08-31",
      21.66
    ],
    [
      "2025-09-30",
      21.53
    ],
    [
      "2025-10-31",
      21.98
    ],
    [
      "2025-11-30",
      22.26
    ],
    [
      "2025-12-31",
      21.63
    ],
    [
      "2026-01-31",
      21.74
    ],
    [
      "2026-02-28",
      22.24
    ],
    [
      "2026-03-31",
      22.11
    ],
    [
      "2026-04-30",
      21.59
    ],
    [
      "2026-05-31",
      21.86
    ],
    [
      "2026-06-30",
      21.52
    ],
    [
      "2026-07-31",
      22.22
    ],
    [
      "2026-08-31",
      22.77
    ],
    [
      "2026-09-30",
      22.36
    ]
  ]
}