Year Number
1950 70.385
1951 71.36
1952 73.907
1953 76.03
1954 77.45
1955 78.599
1956 82.058
1957 84.03
1958 85.64
1959 87.699
1960 90.335
1961 92.482
1962 95.277
1963 98.071
1964 99.876
1965 100.275
1966 98.614
1967 95.941
1968 92.796
1969 89.789
1970 87.21
1971 84.819
1972 82.764
1973 80.951
1974 79.212
1975 77.48
1976 76.64
1977 75.355
1978 73.91
1979 72.402
1980 70.794
1981 70.392
1982 69.833
1983 69.211
1984 68.618
1985 68.085
1986 65.604
1987 63.513
1988 61.826
1989 60.404
1990 59.136
1991 58.654
1992 57.965
1993 57.169
1994 56.311
1995 55.369
1996 54.429
1997 53.276
1998 51.99
1999 50.597
2000 49.118
2001 48.2
2002 47.138
2003 46.124
2004 45.182
2005 44.253
2006 43.646
2007 42.818
2008 41.929
2009 41.122
2010 40.43
2011 39.565
2012 39.007
2013 38.641
2014 38.318
2015 37.984
2016 38.075
2017 37.954
2018 37.791
2019 37.818
2020 38.121
2021 38.334
2022 38.871
2023 39.594
2024 40.273
2025 40.804
2026 41.281
2027 41.634
2028 41.921
2029 42.269
2030 42.747
2031 43.275
2032 43.896
2033 44.609
2034 45.39
2035 46.231
2036 47.035
2037 47.905
2038 48.848
2039 49.864
2040 50.958
2041 52.013
2042 53.123
2043 54.3
2044 55.559
2045 56.904
2046 58.177
2047 59.512
2048 60.897
2049 62.311
2050 63.732
2051 64.966
2052 66.206
2053 67.428
2054 68.593
2055 69.679
2056 70.478
2057 71.188
2058 71.855
2059 72.551
2060 73.312
2061 73.901
2062 74.571
2063 75.298
2064 76.032
2065 76.748
2066 77.227
2067 77.736
2068 78.243
2069 78.704
2070 79.09
2071 79.16
2072 79.176
2073 79.214
2074 79.383
2075 79.744
2076 80.05
2077 80.6
2078 81.324
2079 82.104
2080 82.861
2081 83.347
2082 83.875
2083 84.42
2084 84.986
2085 85.572
2086 85.884
2087 86.227
2088 86.621
2089 87.06
2090 87.528
2091 87.664
2092 87.885
2093 88.171
2094 88.484
2095 88.815
2096 88.829
2097 88.916
2098 89.074
2099 89.307
2100 89.625