{
  "unit": "Index, 2019 = 100",
  "notes": "US series is annual real GDP. Michigan series is the annual average of monthly seasonally adjusted manufacturing payrolls.",
  "years": [
    2018,
    2019,
    2020,
    2021,
    2022,
    2023,
    2024,
    2025
  ],
  "us_auto_gdp_index_2019": [
    99.1,
    100.0,
    88.7,
    108.3,
    130.9,
    127.7,
    130.4,
    136.1
  ],
  "mi_mfg_jobs_index_2019": [
    100.3,
    100.0,
    89.0,
    93.4,
    97.1,
    98.5,
    96.5,
    93.4
  ]
}