[
  {
    "year": 2010,
    "arkansas": 2.1,
    "iowa": 4.51,
    "united_states": 0.97
  },
  {
    "year": 2011,
    "arkansas": 2.14,
    "iowa": 7.16,
    "united_states": 1.15
  },
  {
    "year": 2012,
    "arkansas": 2.37,
    "iowa": 6.64,
    "united_states": 1.1
  },
  {
    "year": 2013,
    "arkansas": 3.45,
    "iowa": 7.95,
    "united_states": 1.28
  },
  {
    "year": 2014,
    "arkansas": 3.06,
    "iowa": 6.41,
    "united_states": 1.14
  },
  {
    "year": 2015,
    "arkansas": 2.38,
    "iowa": 5.07,
    "united_states": 1
  },
  {
    "year": 2016,
    "arkansas": 2,
    "iowa": 4.17,
    "united_states": 0.89
  },
  {
    "year": 2017,
    "arkansas": 2.4,
    "iowa": 4.55,
    "united_states": 0.9
  },
  {
    "year": 2018,
    "arkansas": 2.19,
    "iowa": 4.65,
    "united_states": 0.86
  },
  {
    "year": 2019,
    "arkansas": 1.39,
    "iowa": 3.42,
    "united_states": 0.76
  },
  {
    "year": 2020,
    "arkansas": 1.25,
    "iowa": 2.77,
    "united_states": 0.77
  },
  {
    "year": 2021,
    "arkansas": 2.42,
    "iowa": 6.15,
    "united_states": 0.97
  },
  {
    "year": 2022,
    "arkansas": 3.32,
    "iowa": 8.04,
    "united_states": 1.13
  },
  {
    "year": 2023,
    "arkansas": 2.53,
    "iowa": 5.74,
    "united_states": 0.97
  },
  {
    "year": 2024,
    "arkansas": 2.64,
    "iowa": 5.09,
    "united_states": 0.84
  },
  {
    "year": 2025,
    "arkansas": 2.11,
    "iowa": 5.19,
    "united_states": 0.83
  }
]