Year Number
1950 112.146
1951 110.13
1952 107.013
1953 104.79
1954 104.111
1955 104.864
1956 104.958
1957 107.224
1958 110.676
1959 114.245
1960 117.323
1961 119.196
1962 119.968
1963 120.05
1964 120.11
1965 120.392
1966 120.58
1967 120.801
1968 120.891
1969 120.642
1970 119.876
1971 112.591
1972 107.005
1973 102.73
1974 98.985
1975 95.263
1976 93.821
1977 91.683
1978 89.515
1979 88.441
1980 89.008
1981 85.909
1982 83.913
1983 82.664
1984 81.373
1985 79.631
1986 80.808
1987 81.993
1988 83.295
1989 85.197
1990 88.007
1991 88.654
1992 88.887
1993 88.462
1994 87.228
1995 85.307
1996 83.209
1997 81.397
1998 79.575
1999 77.413
2000 74.824
2001 72.202
2002 69.143
2003 65.917
2004 62.961
2005 60.502
2006 58.314
2007 56.684
2008 55.45
2009 54.36
2010 53.272
2011 52.651
2012 51.965
2013 51.33
2014 50.888
2015 50.7
2016 50.603
2017 50.73
2018 50.986
2019 51.223
2020 51.346
2021 51.388
2022 51.31
2023 51.143
2024 50.991
2025 50.899
2026 50.821
2027 50.819
2028 50.799
2029 50.611
2030 50.198
2031 49.588
2032 48.812
2033 47.961
2034 47.174
2035 46.537
2036 46.079
2037 45.763
2038 45.578
2039 45.505
2040 45.533
2041 45.703
2042 45.978
2043 46.376
2044 46.933
2045 47.661
2046 48.546
2047 49.571
2048 50.748
2049 52.075
2050 53.558
2051 55.156
2052 56.92
2053 58.742
2054 60.47
2055 61.982
2056 63.193
2057 64.201
2058 65.013
2059 65.708
2060 66.373
2061 66.894
2062 67.37
2063 67.791
2064 68.158
2065 68.452
2066 68.545
2067 68.589
2068 68.641
2069 68.781
2070 69.09
2071 69.441
2072 69.955
2073 70.623
2074 71.416
2075 72.302
2076 73.199
2077 74.205
2078 75.323
2079 76.514
2080 77.733
2081 78.887
2082 80.138
2083 81.397
2084 82.577
2085 83.655
2086 84.555
2087 85.355
2088 86.085
2089 86.748
2090 87.336
2091 87.625
2092 87.861
2093 88.065
2094 88.233
2095 88.436
2096 88.402
2097 88.398
2098 88.465
2099 88.651
2100 88.954