[
  {
    "year": 1960,
    "value": 16.884153
  },
  {
    "year": 1961,
    "value": 17.052603
  },
  {
    "year": 1962,
    "value": 16.736438
  },
  {
    "year": 1963,
    "value": 16.752329
  },
  {
    "year": 1964,
    "value": 17.004918
  },
  {
    "year": 1965,
    "value": 17.021096
  },
  {
    "year": 1966,
    "value": 16.751781
  },
  {
    "year": 1967,
    "value": 16.981918
  },
  {
    "year": 1968,
    "value": 17.261749
  },
  {
    "year": 1969,
    "value": 16.805753
  },
  {
    "year": 1970,
    "value": 16.81726
  },
  {
    "year": 1971,
    "value": 16.809315
  },
  {
    "year": 1972,
    "value": 16.893989
  },
  {
    "year": 1973,
    "value": 17.56
  },
  {
    "year": 1974,
    "value": 16.649041
  },
  {
    "year": 1975,
    "value": 17.051233
  },
  {
    "year": 1976,
    "value": 16.420492
  },
  {
    "year": 1977,
    "value": 16.868219
  },
  {
    "year": 1978,
    "value": 16.775068
  },
  {
    "year": 1979,
    "value": 17.32137
  },
  {
    "year": 1980,
    "value": 17.766667
  },
  {
    "year": 1981,
    "value": 17.251233
  },
  {
    "year": 1982,
    "value": 17.145205
  },
  {
    "year": 1983,
    "value": 17.308493
  },
  {
    "year": 1984,
    "value": 16.586885
  },
  {
    "year": 1985,
    "value": 16.736712
  },
  {
    "year": 1986,
    "value": 16.719452
  },
  {
    "year": 1987,
    "value": 16.875342
  },
  {
    "year": 1988,
    "value": 17.545902
  },
  {
    "year": 1989,
    "value": 17.069863
  },
  {
    "year": 1990,
    "value": 17.071507
  },
  {
    "year": 1991,
    "value": 17.399178
  },
  {
    "year": 1992,
    "value": 16.493169
  },
  {
    "year": 1993,
    "value": 17.142466
  },
  {
    "year": 1994,
    "value": 17.103014
  },
  {
    "year": 1995,
    "value": 16.63863
  },
  {
    "year": 1996,
    "value": 16.733607
  },
  {
    "year": 1997,
    "value": 17.371507
  },
  {
    "year": 1998,
    "value": 17.738356
  },
  {
    "year": 1999,
    "value": 17.081918
  },
  {
    "year": 2000,
    "value": 17.060109
  },
  {
    "year": 2001,
    "value": 17.430685
  },
  {
    "year": 2002,
    "value": 17.482192
  },
  {
    "year": 2003,
    "value": 17.210411
  },
  {
    "year": 2004,
    "value": 17.549727
  },
  {
    "year": 2005,
    "value": 17.765479
  },
  {
    "year": 2006,
    "value": 17.704658
  },
  {
    "year": 2007,
    "value": 17.636986
  },
  {
    "year": 2008,
    "value": 16.998361
  },
  {
    "year": 2009,
    "value": 17.881644
  },
  {
    "year": 2010,
    "value": 17.632055
  },
  {
    "year": 2011,
    "value": 17.351781
  },
  {
    "year": 2012,
    "value": 17.130055
  },
  {
    "year": 2013,
    "value": 17.819726
  },
  {
    "year": 2014,
    "value": 17.789315
  },
  {
    "year": 2015,
    "value": 17.606301
  },
  {
    "year": 2016,
    "value": 18.167486
  },
  {
    "year": 2017,
    "value": 17.856986
  },
  {
    "year": 2018,
    "value": 17.614521
  },
  {
    "year": 2019,
    "value": 17.886575
  },
  {
    "year": 2020,
    "value": 17.376503
  },
  {
    "year": 2021,
    "value": 16.820822
  },
  {
    "year": 2022,
    "value": 17.005479
  },
  {
    "year": 2023,
    "value": 17.576438
  },
  {
    "year": 2024,
    "value": 17.834153
  },
  {
    "year": 2025,
    "value": 18.129041
  }
]