Year Number
1950 92.897
1951 93.304
1952 93.162
1953 92.892
1954 92.655
1955 92.431
1956 92.765
1957 93.102
1958 93.309
1959 93.276
1960 92.99
1961 93.618
1962 93.765
1963 93.626
1964 93.439
1965 93.31
1966 93.938
1967 94.452
1968 94.847
1969 95.067
1970 95.103
1971 95.768
1972 96.125
1973 96.252
1974 96.228
1975 96.094
1976 96.612
1977 96.908
1978 97.022
1979 96.98
1980 96.798
1981 97.132
1982 97.197
1983 97.053
1984 96.755
1985 96.334
1986 96.421
1987 96.3
1988 96.002
1989 95.56
1990 95.016
1991 95.061
1992 94.869
1993 94.491
1994 93.939
1995 93.199
1996 93.184
1997 92.915
1998 92.471
1999 91.986
2000 91.566
2001 91.544
2002 91.696
2003 91.975
2004 92.261
2005 92.482
2006 92.842
2007 92.96
2008 92.951
2009 92.97
2010 93.083
2011 93.298
2012 93.568
2013 93.823
2014 93.924
2015 93.801
2016 93.618
2017 93.186
2018 92.575
2019 91.886
2020 91.16
2021 90.352
2022 89.533
2023 88.677
2024 87.745
2025 86.734
2026 85.746
2027 84.706
2028 83.647
2029 82.612
2030 81.628
2031 80.769
2032 79.932
2033 79.127
2034 78.362
2035 77.636
2036 76.996
2037 76.376
2038 75.775
2039 75.183
2040 74.597
2041 74.049
2042 73.494
2043 72.932
2044 72.361
2045 71.781
2046 71.213
2047 70.636
2048 70.05
2049 69.457
2050 68.859
2051 68.281
2052 67.695
2053 67.108
2054 66.531
2055 65.97
2056 65.44
2057 64.923
2058 64.419
2059 63.928
2060 63.45
2061 63.001
2062 62.56
2063 62.136
2064 61.742
2065 61.383
2066 61.064
2067 60.771
2068 60.503
2069 60.258
2070 60.035
2071 59.832
2072 59.642
2073 59.468
2074 59.317
2075 59.191
2076 59.075
2077 58.978
2078 58.896
2079 58.822
2080 58.753
2081 58.673
2082 58.593
2083 58.518
2084 58.453
2085 58.401
2086 58.33
2087 58.269
2088 58.221
2089 58.186
2090 58.168
2091 58.132
2092 58.106
2093 58.096
2094 58.106
2095 58.138
2096 58.144
2097 58.169
2098 58.213
2099 58.274
2100 58.352