{
  "1": {
    "2015": 6,
    "2016": 7,
    "2017": 8,
    "2018": 6,
    "2019": 4,
    "2020": 4
  },
  "2": {
    "2013": 7,
    "2012": 7,
    "2014": 7,
    "2010": 4,
    "2011": 5
  }
}