{
  "source": "INSEE RP",
  "millesime": "exemple",
  "series": [
    {"year": 1975, "population": 12000, "households": 4200, "type": "observed"},
    {"year": 1982, "population": 12500, "households": 4700, "type": "observed"},
    {"year": 1990, "population": 12600, "households": 5000, "type": "observed"},
    {"year": 1999, "population": 12300, "households": 5300, "type": "observed"},
    {"year": 2009, "population": 12100, "households": 5500, "type": "observed"},
    {"year": 2021, "population": 11800, "households": 5600, "type": "observed"}
  ]
}