Year Number
1950 73.954
1951 74.783
1952 76.228
1953 77.568
1954 78.679
1955 79.749
1956 82.653
1957 84.809
1958 86.732
1959 88.822
1960 91.158
1961 93.979
1962 97.191
1963 100.353
1964 102.772
1965 104.093
1966 105.62
1967 106.187
1968 106.013
1969 105.48
1970 104.743
1971 103.956
1972 102.831
1973 101.401
1974 99.679
1975 97.722
1976 95.679
1977 93.524
1978 91.347
1979 89.268
1980 87.367
1981 86.092
1982 84.904
1983 83.804
1984 82.744
1985 81.674
1986 81.023
1987 80.136
1988 79.122
1989 78.131
1990 77.217
1991 76.094
1992 75.208
1993 74.354
1994 73.262
1995 71.829
1996 70.5
1997 68.804
1998 66.916
1999 65.086
2000 63.423
2001 61.772
2002 60.341
2003 59.06
2004 57.847
2005 56.683
2006 55.476
2007 54.385
2008 53.399
2009 52.526
2010 51.783
2011 51.234
2012 50.742
2013 50.369
2014 50.165
2015 50.128
2016 50.338
2017 50.584
2018 50.871
2019 51.196
2020 51.541
2021 51.713
2022 51.979
2023 52.25
2024 52.42
2025 52.446
2026 52.439
2027 52.288
2028 52.043
2029 51.79
2030 51.576
2031 51.358
2032 51.174
2033 51.033
2034 50.926
2035 50.85
2036 50.779
2037 50.753
2038 50.78
2039 50.872
2040 51.043
2041 51.242
2042 51.501
2043 51.838
2044 52.277
2045 52.824
2046 53.421
2047 54.115
2048 54.879
2049 55.674
2050 56.469
2051 57.197
2052 57.917
2053 58.637
2054 59.374
2055 60.134
2056 60.823
2057 61.532
2058 62.235
2059 62.894
2060 63.484
2061 63.903
2062 64.272
2063 64.592
2064 64.869
2065 65.11
2066 65.184
2067 65.236
2068 65.298
2069 65.421
2070 65.638
2071 65.81
2072 66.078
2073 66.463
2074 66.978
2075 67.625
2076 68.254
2077 69.042
2078 69.939
2079 70.866
2080 71.776
2081 72.52
2082 73.259
2083 73.998
2084 74.741
2085 75.482
2086 76.02
2087 76.575
2088 77.133
2089 77.68
2090 78.213
2091 78.519
2092 78.836
2093 79.168
2094 79.521
2095 79.898
2096 80.027
2097 80.194
2098 80.405
2099 80.669
2100 80.989