[
  {
    "year": 1933,
    "value": 2.012
  },
  {
    "year": 1934,
    "value": 2.072
  },
  {
    "year": 1935,
    "value": 2.038
  },
  {
    "year": 1936,
    "value": 2.007
  },
  {
    "year": 1937,
    "value": 2.038
  },
  {
    "year": 1938,
    "value": 2.092
  },
  {
    "year": 1939,
    "value": 2.05
  },
  {
    "year": 1940,
    "value": 2.113
  },
  {
    "year": 1941,
    "value": 2.226
  },
  {
    "year": 1942,
    "value": 2.465
  },
  {
    "year": 1943,
    "value": 2.566
  },
  {
    "year": 1944,
    "value": 2.439
  },
  {
    "year": 1945,
    "value": 2.38
  },
  {
    "year": 1946,
    "value": 2.83
  },
  {
    "year": 1947,
    "value": 3.161
  },
  {
    "year": 1948,
    "value": 3.009
  },
  {
    "year": 1949,
    "value": 3.022
  },
  {
    "year": 1950,
    "value": 3.086
  },
  {
    "year": 1951,
    "value": 3.197
  },
  {
    "year": 1952,
    "value": 3.29
  },
  {
    "year": 1953,
    "value": 3.358
  },
  {
    "year": 1954,
    "value": 3.475
  },
  {
    "year": 1955,
    "value": 3.515
  },
  {
    "year": 1956,
    "value": 3.624
  },
  {
    "year": 1957,
    "value": 3.703
  },
  {
    "year": 1958,
    "value": 3.754
  },
  {
    "year": 1959,
    "value": 3.747
  },
  {
    "year": 1960,
    "value": 3.732
  },
  {
    "year": 1961,
    "value": 3.691
  },
  {
    "year": 1962,
    "value": 3.533
  },
  {
    "year": 1963,
    "value": 3.39
  },
  {
    "year": 1964,
    "value": 3.258
  },
  {
    "year": 1965,
    "value": 2.983
  },
  {
    "year": 1966,
    "value": 2.769
  },
  {
    "year": 1967,
    "value": 2.605
  },
  {
    "year": 1968,
    "value": 2.508
  },
  {
    "year": 1969,
    "value": 2.504
  },
  {
    "year": 1970,
    "value": 2.515
  },
  {
    "year": 1971,
    "value": 2.318
  },
  {
    "year": 1972,
    "value": 2.057
  },
  {
    "year": 1973,
    "value": 1.921
  },
  {
    "year": 1974,
    "value": 1.872
  },
  {
    "year": 1975,
    "value": 1.815
  },
  {
    "year": 1976,
    "value": 1.785
  },
  {
    "year": 1977,
    "value": 1.826
  },
  {
    "year": 1978,
    "value": 1.804
  },
  {
    "year": 1979,
    "value": 1.843
  },
  {
    "year": 1980,
    "value": 1.861
  },
  {
    "year": 1981,
    "value": 1.847
  },
  {
    "year": 1982,
    "value": 1.855
  },
  {
    "year": 1983,
    "value": 1.827
  },
  {
    "year": 1984,
    "value": 1.827
  },
  {
    "year": 1985,
    "value": 1.854
  },
  {
    "year": 1986,
    "value": 1.852
  },
  {
    "year": 1987,
    "value": 1.885
  },
  {
    "year": 1988,
    "value": 1.942
  },
  {
    "year": 1989,
    "value": 2.014
  },
  {
    "year": 1990,
    "value": 2.072
  },
  {
    "year": 1991,
    "value": 2.059
  },
  {
    "year": 1992,
    "value": 2.039
  },
  {
    "year": 1993,
    "value": 2.01
  },
  {
    "year": 1994,
    "value": 1.988
  },
  {
    "year": 1995,
    "value": 1.965
  },
  {
    "year": 1996,
    "value": 1.96
  },
  {
    "year": 1997,
    "value": 1.956
  },
  {
    "year": 1998,
    "value": 1.98
  },
  {
    "year": 1999,
    "value": 1.99
  },
  {
    "year": 2000,
    "value": 2.03
  },
  {
    "year": 2001,
    "value": 2.011
  },
  {
    "year": 2002,
    "value": 2.003
  },
  {
    "year": 2003,
    "value": 2.025
  },
  {
    "year": 2004,
    "value": 2.031
  },
  {
    "year": 2005,
    "value": 2.04
  },
  {
    "year": 2006,
    "value": 2.087
  },
  {
    "year": 2007,
    "value": 2.096
  },
  {
    "year": 2008,
    "value": 2.053
  },
  {
    "year": 2009,
    "value": 1.987
  },
  {
    "year": 2010,
    "value": 1.916
  },
  {
    "year": 2011,
    "value": 1.879
  },
  {
    "year": 2012,
    "value": 1.862
  },
  {
    "year": 2013,
    "value": 1.84
  },
  {
    "year": 2014,
    "value": 1.848
  },
  {
    "year": 2015,
    "value": 1.832
  },
  {
    "year": 2016,
    "value": 1.804
  },
  {
    "year": 2017,
    "value": 1.753
  },
  {
    "year": 2018,
    "value": 1.715
  },
  {
    "year": 2019,
    "value": 1.684
  },
  {
    "year": 2020,
    "value": 1.616
  },
  {
    "year": 2021,
    "value": 1.634
  },
  {
    "year": 2022,
    "value": 1.665
  },
  {
    "year": 2023,
    "value": 1.624
  }
]