Year Number
1950 89.108
1951 90.286
1952 91.061
1953 91.692
1954 92.171
1955 92.433
1956 93.368
1957 93.999
1958 94.322
1959 94.325
1960 94.023
1961 94.171
1962 94.046
1963 93.668
1964 93.061
1965 92.276
1966 92.34
1967 92.041
1968 91.532
1969 91
1970 90.541
1971 90.729
1972 90.925
1973 91.112
1974 91.233
1975 91.266
1976 91.982
1977 92.577
1978 93.051
1979 93.444
1980 93.787
1981 94.516
1982 95.162
1983 95.676
1984 95.981
1985 96.038
1986 96.304
1987 96.192
1988 95.809
1989 95.344
1990 94.909
1991 94.299
1992 93.908
1993 93.559
1994 93.034
1995 92.27
1996 91.763
1997 90.969
1998 90.018
1999 89.111
2000 88.334
2001 87.479
2002 86.715
2003 85.966
2004 85.105
2005 84.075
2006 82.843
2007 81.477
2008 80.025
2009 78.58
2010 77.198
2011 75.785
2012 74.496
2013 73.279
2014 72.07
2015 70.851
2016 69.786
2017 68.669
2018 67.553
2019 66.507
2020 65.559
2021 64.659
2022 63.843
2023 63.085
2024 62.342
2025 61.593
2026 60.862
2027 60.134
2028 59.412
2029 58.708
2030 58.032
2031 57.38
2032 56.755
2033 56.159
2034 55.595
2035 55.069
2036 54.587
2037 54.14
2038 53.733
2039 53.371
2040 53.058
2041 52.787
2042 52.558
2043 52.374
2044 52.24
2045 52.159
2046 52.109
2047 52.111
2048 52.149
2049 52.201
2050 52.257
2051 52.288
2052 52.322
2053 52.373
2054 52.462
2055 52.601
2056 52.732
2057 52.906
2058 53.121
2059 53.375
2060 53.666
2061 53.927
2062 54.225
2063 54.554
2064 54.91
2065 55.29
2066 55.62
2067 55.97
2068 56.336
2069 56.711
2070 57.09
2071 57.381
2072 57.678
2073 57.992
2074 58.334
2075 58.71
2076 59.022
2077 59.373
2078 59.759
2079 60.174
2080 60.618
2081 60.978
2082 61.367
2083 61.789
2084 62.246
2085 62.735
2086 63.115
2087 63.534
2088 63.989
2089 64.468
2090 64.968
2091 65.35
2092 65.762
2093 66.204
2094 66.676
2095 67.175
2096 67.543
2097 67.952
2098 68.396
2099 68.87
2100 69.371