Year Number
1950 59.398
1951 59.036
1952 58.005
1953 57.245
1954 57.122
1955 57.598
1956 58.823
1957 60.556
1958 62.659
1959 65.077
1960 67.965
1961 73.154
1962 79.113
1963 85.862
1964 92.963
1965 99.676
1966 102.428
1967 104.192
1968 104.911
1969 104.86
1970 104.351
1971 102.84
1972 101.343
1973 99.785
1974 97.919
1975 95.636
1976 93.907
1977 91.683
1978 89.247
1979 87.015
1980 85.196
1981 83.774
1982 82.857
1983 82.312
1984 81.898
1985 81.484
1986 81.702
1987 81.791
1988 81.771
1989 81.691
1990 81.548
1991 81.939
1992 82.009
1993 81.789
1994 81.278
1995 80.435
1996 78.929
1997 77.259
1998 75.384
1999 73.271
2000 70.948
2001 68.651
2002 66.287
2003 63.876
2004 61.501
2005 59.245
2006 57.112
2007 55.196
2008 53.528
2009 52.126
2010 51.001
2011 50.437
2012 49.987
2013 49.7
2014 49.598
2015 49.651
2016 49.903
2017 50.188
2018 50.483
2019 50.745
2020 50.935
2021 50.962
2022 50.978
2023 50.91
2024 50.695
2025 50.324
2026 49.949
2027 49.436
2028 48.818
2029 48.156
2030 47.495
2031 46.914
2032 46.346
2033 45.82
2034 45.362
2035 44.993
2036 44.832
2037 44.735
2038 44.709
2039 44.746
2040 44.836
2041 45.057
2042 45.308
2043 45.596
2044 45.924
2045 46.291
2046 46.767
2047 47.249
2048 47.746
2049 48.276
2050 48.846
2051 49.518
2052 50.21
2053 50.888
2054 51.505
2055 52.034
2056 52.566
2057 53.012
2058 53.364
2059 53.613
2060 53.761
2061 53.914
2062 53.967
2063 53.94
2064 53.851
2065 53.714
2066 53.643
2067 53.52
2068 53.39
2069 53.307
2070 53.307
2071 53.514
2072 53.78
2073 54.107
2074 54.501
2075 54.958
2076 55.616
2077 56.323
2078 57.047
2079 57.733
2080 58.345
2081 59.019
2082 59.618
2083 60.132
2084 60.553
2085 60.878
2086 61.249
2087 61.528
2088 61.722
2089 61.841
2090 61.898
2091 62.004
2092 62.051
2093 62.059
2094 62.053
2095 62.056
2096 62.154
2097 62.252
2098 62.361
2099 62.495
2100 62.657