[
  {
    "year": 2015,
    "Illinois": 100,
    "Utah": 100,
    "Texas": 100,
    "Iowa": 100,
    "Kansas": 100,
    "Nebraska": 100,
    "Washington": 100
  },
  {
    "year": 2016,
    "Illinois": 98.5,
    "Utah": 95.7,
    "Texas": 93.2,
    "Iowa": 97.3,
    "Kansas": 94.4,
    "Nebraska": 100.1,
    "Washington": 97.3
  },
  {
    "year": 2017,
    "Illinois": 95.2,
    "Utah": 106.4,
    "Texas": 98.6,
    "Iowa": 90.4,
    "Kansas": 106.3,
    "Nebraska": 102.6,
    "Washington": 98.5
  },
  {
    "year": 2018,
    "Illinois": 94.9,
    "Utah": 108.7,
    "Texas": 105.6,
    "Iowa": 98.6,
    "Kansas": 131.4,
    "Nebraska": 126.5,
    "Washington": 100.3
  },
  {
    "year": 2019,
    "Illinois": 92,
    "Utah": 116.5,
    "Texas": 107.9,
    "Iowa": 92,
    "Kansas": 122.3,
    "Nebraska": 125.1,
    "Washington": 100.7
  },
  {
    "year": 2020,
    "Illinois": 91,
    "Utah": 128.8,
    "Texas": 108.7,
    "Iowa": 105,
    "Kansas": 116.7,
    "Nebraska": 135.1,
    "Washington": 105.1
  },
  {
    "year": 2021,
    "Illinois": 101.8,
    "Utah": 138.9,
    "Texas": 120.9,
    "Iowa": 111.6,
    "Kansas": 148.8,
    "Nebraska": 171.1,
    "Washington": 109.7
  },
  {
    "year": 2022,
    "Illinois": 100.9,
    "Utah": 154.7,
    "Texas": 119.5,
    "Iowa": 122.4,
    "Kansas": 180.8,
    "Nebraska": 160.8,
    "Washington": 115.7
  },
  {
    "year": 2023,
    "Illinois": 105.2,
    "Utah": 161.2,
    "Texas": 122.4,
    "Iowa": 121.8,
    "Kansas": 174.1,
    "Nebraska": 154.8,
    "Washington": 116.4
  },
  {
    "year": 2024,
    "Illinois": 108,
    "Utah": 166.9,
    "Texas": 127.4,
    "Iowa": 122.5,
    "Kansas": 172.5,
    "Nebraska": 157.8,
    "Washington": 113.8
  }
]