{
  "alt": "One line over election cycles from 1980 to 2024. The share starts at {fact:share_1980} in 1980, peaks at {fact:share_1986} in 1986, falls to {fact:share_2002} in 2002 and falls faster to {fact:share_2024} in 2024, with small rises in 2006, 2010 and 2014. A dashed vertical rule marks 2002.",
  "caption": "The line falls slowly until 2002 and faster after it, and every cycle from 2004 on is below every cycle through 2002. It plots the percent of active reliable donors with a CFscore within {fact:band} of zero in each election cycle, and the dashed rule marks 2002.",
  "data": [
    {
      "cycle": 1980,
      "n": 31138,
      "series": "Donors",
      "share": 11.8119
    },
    {
      "cycle": 1982,
      "n": 25207,
      "series": "Donors",
      "share": 12.2625
    },
    {
      "cycle": 1984,
      "n": 39460,
      "series": "Donors",
      "share": 12.0451
    },
    {
      "cycle": 1986,
      "n": 45211,
      "series": "Donors",
      "share": 12.9548
    },
    {
      "cycle": 1988,
      "n": 70902,
      "series": "Donors",
      "share": 12.7359
    },
    {
      "cycle": 1990,
      "n": 111512,
      "series": "Donors",
      "share": 11.3477
    },
    {
      "cycle": 1992,
      "n": 167283,
      "series": "Donors",
      "share": 10.9987
    },
    {
      "cycle": 1994,
      "n": 197604,
      "series": "Donors",
      "share": 10.6956
    },
    {
      "cycle": 1996,
      "n": 297838,
      "series": "Donors",
      "share": 10.6954
    },
    {
      "cycle": 1998,
      "n": 470028,
      "series": "Donors",
      "share": 10.1137
    },
    {
      "cycle": 2000,
      "n": 598971,
      "series": "Donors",
      "share": 10.0412
    },
    {
      "cycle": 2002,
      "n": 794413,
      "series": "Donors",
      "share": 9.57625
    },
    {
      "cycle": 2004,
      "n": 1033327,
      "series": "Donors",
      "share": 7.71053
    },
    {
      "cycle": 2006,
      "n": 1142451,
      "series": "Donors",
      "share": 7.84357
    },
    {
      "cycle": 2008,
      "n": 1425885,
      "series": "Donors",
      "share": 6.23164
    },
    {
      "cycle": 2010,
      "n": 1409984,
      "series": "Donors",
      "share": 6.55759
    },
    {
      "cycle": 2012,
      "n": 1805776,
      "series": "Donors",
      "share": 4.5978
    },
    {
      "cycle": 2014,
      "n": 1597010,
      "series": "Donors",
      "share": 4.80968
    },
    {
      "cycle": 2016,
      "n": 1978112,
      "series": "Donors",
      "share": 3.41022
    },
    {
      "cycle": 2018,
      "n": 2161252,
      "series": "Donors",
      "share": 2.52391
    },
    {
      "cycle": 2020,
      "n": 3483649,
      "series": "Donors",
      "share": 1.5468
    },
    {
      "cycle": 2022,
      "n": 3082400,
      "series": "Donors",
      "share": 1.39288
    },
    {
      "cycle": 2024,
      "n": 2533588,
      "series": "Donors",
      "share": 1.16223
    }
  ],
  "id": "center_share",
  "notes": [
    "These are full counts of itemized donors, so the line carries no sampling interval. It does not carry the estimation error of each CFscore either.",
    "After 2002 the line rises in {fact:n_donor_rises} cycles (2006, 2010 and 2014), by at most {fact:donor_rise_max} points. The split at 2002 is descriptive: 2002 has the lowest share of the cycles up to then, and no test for a break was run."
  ],
  "source": "Stanford DIME v4.0 (Bonica), election cycles 1980-2024; full counts of itemized individual donors, no weights",
  "spec": {
    "annotations": [
      {
        "label": "2002",
        "type": "x-rule",
        "x": 2002
      }
    ],
    "colors": {
      "Donors": "cat1"
    },
    "n": "n",
    "series": "series",
    "x": "cycle",
    "xDomain": [
      1980,
      2024
    ],
    "xLabel": "Election cycle",
    "y": "share",
    "yDomain": [
      0,
      15
    ],
    "yFormat": {
      "digits": 1,
      "suffix": "%"
    },
    "yLabel": "Share within 0.25 of zero (%)"
  },
  "subtitle": "Percent of active reliable donors with a CFscore within 0.25 of zero, by election cycle",
  "table": {
    "columns": [
      {
        "key": "cycle",
        "label": "Election cycle"
      },
      {
        "format": {
          "digits": 1,
          "suffix": "%"
        },
        "key": "share",
        "label": "Share within 0.25 of zero"
      },
      {
        "format": {
          "thousands": true
        },
        "key": "n",
        "label": "Active donors"
      }
    ]
  },
  "title": "The share of donors near the center fell from {fact:share_1986} in 1986 to {fact:share_2002} in 2002, then to {fact:share_2024} in 2024",
  "type": "line",
  "width": "wide"
}