Year Number
1950 89.014
1951 89.458
1952 89.27
1953 88.819
1954 88.201
1955 87.39
1956 87.487
1957 87.343
1958 86.944
1959 86.315
1960 85.529
1961 85.816
1962 85.797
1963 85.608
1964 85.377
1965 85.156
1966 85.981
1967 86.536
1968 86.919
1969 87.241
1970 87.56
1971 88.555
1972 89.495
1973 90.316
1974 90.866
1975 91.033
1976 91.521
1977 91.838
1978 92.138
1979 92.608
1980 93.343
1981 94.59
1982 95.527
1983 96.176
1984 96.524
1985 96.6
1986 97.329
1987 97.694
1988 97.838
1989 97.865
1990 97.799
1991 98.485
1992 98.904
1993 99.089
1994 99.063
1995 98.827
1996 99.164
1997 99.259
1998 99.15
1999 98.848
2000 98.371
2001 98.621
2002 98.519
2003 98.19
2004 97.73
2005 97.135
2006 96.449
2007 95.556
2008 94.412
2009 93
2010 91.364
2011 89.504
2012 87.569
2013 85.58
2014 83.568
2015 81.568
2016 79.834
2017 78.066
2018 76.33
2019 74.694
2020 73.182
2021 71.894
2022 70.675
2023 69.511
2024 68.372
2025 67.241
2026 66.193
2027 65.146
2028 64.102
2029 63.069
2030 62.048
2031 61.107
2032 60.163
2033 59.227
2034 58.312
2035 57.429
2036 56.619
2037 55.836
2038 55.077
2039 54.333
2040 53.606
2041 52.945
2042 52.293
2043 51.671
2044 51.101
2045 50.597
2046 50.185
2047 49.826
2048 49.511
2049 49.222
2050 48.952
2051 48.72
2052 48.503
2053 48.315
2054 48.176
2055 48.097
2056 48.077
2057 48.1
2058 48.17
2059 48.291
2060 48.464
2061 48.671
2062 48.92
2063 49.204
2064 49.513
2065 49.84
2066 50.16
2067 50.492
2068 50.831
2069 51.176
2070 51.526
2071 51.84
2072 52.149
2073 52.463
2074 52.794
2075 53.148
2076 53.47
2077 53.808
2078 54.165
2079 54.545
2080 54.952
2081 55.329
2082 55.726
2083 56.147
2084 56.592
2085 57.06
2086 57.488
2087 57.933
2088 58.397
2089 58.879
2090 59.378
2091 59.828
2092 60.296
2093 60.78
2094 61.274
2095 61.776
2096 62.219
2097 62.673
2098 63.138
2099 63.615
2100 64.106