Year Number
1950 46.921
1951 47.637
1952 47.971
1953 48.542
1954 49.493
1955 50.693
1956 51.429
1957 52.64
1958 53.982
1959 55.122
1960 55.924
1961 56.891
1962 57.417
1963 57.643
1964 57.818
1965 58.049
1966 58.361
1967 58.602
1968 58.774
1969 58.82
1970 58.69
1971 58.592
1972 58.353
1973 57.943
1974 57.354
1975 56.609
1976 56.068
1977 55.403
1978 54.611
1979 53.67
1980 52.581
1981 51.548
1982 50.384
1983 49.252
1984 48.359
1985 47.818
1986 47.806
1987 48.084
1988 48.552
1989 49.056
1990 49.496
1991 49.959
1992 50.384
1993 50.783
1994 51.158
1995 51.499
1996 51.854
1997 52.121
1998 52.321
1999 52.486
2000 52.626
2001 52.531
2002 52.457
2003 52.374
2004 52.219
2005 51.97
2006 51.88
2007 51.673
2008 51.438
2009 51.323
2010 51.419
2011 51.783
2012 52.282
2013 52.908
2014 53.592
2015 54.248
2016 54.942
2017 55.652
2018 56.378
2019 57.08
2020 57.75
2021 58.494
2022 59.213
2023 59.924
2024 60.66
2025 61.433
2026 62.198
2027 63.016
2028 63.864
2029 64.698
2030 65.496
2031 66.191
2032 66.875
2033 67.535
2034 68.173
2035 68.797
2036 69.274
2037 69.73
2038 70.195
2039 70.682
2040 71.178
2041 71.509
2042 71.88
2043 72.276
2044 72.687
2045 73.123
2046 73.436
2047 73.79
2048 74.185
2049 74.605
2050 75.024
2051 75.239
2052 75.48
2053 75.741
2054 76.016
2055 76.297
2056 76.404
2057 76.563
2058 76.736
2059 76.872
2060 76.942
2061 76.776
2062 76.594
2063 76.412
2064 76.251
2065 76.128
2066 75.848
2067 75.635
2068 75.505
2069 75.479
2070 75.568
2071 75.536
2072 75.644
2073 75.875
2074 76.191
2075 76.563
2076 76.741
2077 77.003
2078 77.335
2079 77.721
2080 78.152
2081 78.369
2082 78.645
2083 78.979
2084 79.355
2085 79.755
2086 79.906
2087 80.114
2088 80.358
2089 80.626
2090 80.923
2091 80.965
2092 81.045
2093 81.177
2094 81.375
2095 81.635
2096 81.618
2097 81.681
2098 81.823
2099 82.038
2100 82.321