[
  {
    "jaar": 2021,
    "lft": "18-64",
    "aantal": 8310,
    "per_1e4": 86.8,
    "geo_id": "ZK04"
  },
  {
    "jaar": 2021,
    "lft": "65+",
    "aantal": 1440,
    "per_1e4": 15,
    "geo_id": "ZK04"
  },
  {
    "jaar": 2021,
    "lft": "Totaal",
    "aantal": 9750,
    "per_1e4": 101.9,
    "geo_id": "ZK04"
  }
]