Year Number
1950 39.781
1951 43.196
1952 46.148
1953 48.992
1954 51.705
1955 54.173
1956 56.932
1957 60.097
1958 63.801
1959 67.752
1960 71.412
1961 71.322
1962 70.601
1963 69.991
1964 69.721
1965 69.576
1966 69.284
1967 68.716
1968 68.513
1969 68.661
1970 68.807
1971 67.261
1972 65.78
1973 64.766
1974 64.239
1975 63.986
1976 62.894
1977 61.778
1978 60.778
1979 59.987
1980 59.405
1981 58.134
1982 57.086
1983 56.281
1984 55.644
1985 55.124
1986 54.196
1987 53.279
1988 52.421
1989 51.678
1990 51.15
1991 51.872
1992 52.735
1993 53.679
1994 54.554
1995 55.215
1996 55.853
1997 56.178
1998 56.223
1999 56.086
2000 55.861
2001 56.092
2002 56.277
2003 56.389
2004 56.329
2005 56.051
2006 55.674
2007 55.071
2008 54.369
2009 53.735
2010 53.299
2011 52.785
2012 52.445
2013 52.251
2014 52.11
2015 51.979
2016 51.954
2017 51.937
2018 51.958
2019 52.055
2020 52.256
2021 52.545
2022 52.888
2023 53.309
2024 53.829
2025 54.449
2026 55.102
2027 55.849
2028 56.642
2029 57.412
2030 58.113
2031 58.681
2032 59.18
2033 59.618
2034 60.018
2035 60.402
2036 60.663
2037 60.895
2038 61.096
2039 61.257
2040 61.36
2041 61.292
2042 61.187
2043 61.065
2044 60.948
2045 60.859
2046 60.693
2047 60.574
2048 60.509
2049 60.528
2050 60.645
2051 60.736
2052 60.922
2053 61.214
2054 61.612
2055 62.089
2056 62.515
2057 63.048
2058 63.657
2059 64.317
2060 65.01
2061 65.607
2062 66.245
2063 66.926
2064 67.649
2065 68.407
2066 69.018
2067 69.676
2068 70.356
2069 71.035
2070 71.705
2071 72.17
2072 72.63
2073 73.108
2074 73.623
2075 74.194
2076 74.564
2077 74.989
2078 75.479
2079 76.038
2080 76.667
2081 77.093
2082 77.605
2083 78.199
2084 78.853
2085 79.559
2086 80.037
2087 80.589
2088 81.201
2089 81.864
2090 82.569
2091 83.022
2092 83.528
2093 84.089
2094 84.7
2095 85.354
2096 85.721
2097 86.143
2098 86.612
2099 87.126
2100 87.681