{
  "1": {
    "2017": 11,
    "2018": 7,
    "2020": 7,
    "2019": 3,
    "2021": 3
  },
  "2": {
    "2018": 4,
    "2019": 8,
    "2020": 4,
    "2021": 8
  }
}