[
  {
    "year": 2015,
    "united_states": 94.9,
    "california": 91.1,
    "massachusetts": 94.3,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2016,
    "united_states": 97.1,
    "california": 93.2,
    "massachusetts": 96.1,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2017,
    "united_states": 95.5,
    "california": 93,
    "massachusetts": 95.5,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2018,
    "united_states": 97.6,
    "california": 96.3,
    "massachusetts": 97.1,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2019,
    "united_states": 100,
    "california": 100,
    "massachusetts": 100,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2020,
    "united_states": 91.9,
    "california": 91.7,
    "massachusetts": 94.4,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2021,
    "united_states": 94.5,
    "california": 92.7,
    "massachusetts": 94.6,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2022,
    "united_states": 102,
    "california": 102.5,
    "massachusetts": 101.4,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2023,
    "united_states": 104.9,
    "california": 105.8,
    "massachusetts": 103.9,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2024,
    "united_states": 109.1,
    "california": 111.3,
    "massachusetts": 107.4,
    "unit": "index, 2019 = 100"
  },
  {
    "year": 2025,
    "united_states": 110.3,
    "california": 112,
    "massachusetts": 106.4,
    "unit": "index, 2019 = 100"
  }
]