Year Number
1950 53.863
1951 53.369
1952 52.327
1953 51.446
1954 51.164
1955 51.591
1956 52.498
1957 54.037
1958 55.931
1959 57.768
1960 59.287
1961 60.879
1962 61.98
1963 62.684
1964 63.182
1965 63.55
1966 63.531
1967 63.347
1968 62.933
1969 62.24
1970 61.288
1971 59.833
1972 58.529
1973 57.344
1974 56.214
1975 55.102
1976 54.292
1977 53.314
1978 52.277
1979 51.345
1980 50.602
1981 49.939
1982 49.442
1983 49.111
1984 48.898
1985 48.786
1986 49.13
1987 49.462
1988 49.776
1989 50.117
1990 50.497
1991 51.017
1992 51.489
1993 51.825
1994 51.905
1995 51.668
1996 50.976
1997 50.117
1998 49.107
1999 48.024
2000 46.949
2001 46.288
2002 45.678
2003 45.059
2004 44.351
2005 43.52
2006 42.886
2007 42.089
2008 41.296
2009 40.715
2010 40.456
2011 40.667
2012 41.12
2013 41.72
2014 42.345
2015 42.957
2016 44.175
2017 45.297
2018 46.372
2019 47.478
2020 48.632
2021 49.783
2022 51.043
2023 52.284
2024 53.33
2025 54.102
2026 55.026
2027 55.654
2028 56.004
2029 56.137
2030 56.086
2031 56.012
2032 55.795
2033 55.491
2034 55.165
2035 54.879
2036 54.859
2037 54.896
2038 54.983
2039 55.107
2040 55.264
2041 55.691
2042 56.129
2043 56.612
2044 57.176
2045 57.831
2046 58.81
2047 59.838
2048 60.91
2049 62.021
2050 63.156
2051 64.549
2052 65.955
2053 67.278
2054 68.382
2055 69.173
2056 69.879
2057 70.318
2058 70.442
2059 70.212
2060 69.636
2061 68.938
2062 67.937
2063 66.754
2064 65.549
2065 64.417
2066 63.523
2067 62.724
2068 62.017
2069 61.386
2070 60.835
2071 60.551
2072 60.351
2073 60.266
2074 60.337
2075 60.576
2076 61.147
2077 61.881
2078 62.711
2079 63.524
2080 64.233
2081 65.003
2082 65.697
2083 66.301
2084 66.811
2085 67.228
2086 67.667
2087 68.038
2088 68.314
2089 68.48
2090 68.541
2091 68.537
2092 68.441
2093 68.278
2094 68.079
2095 67.862
2096 67.577
2097 67.299
2098 67.047
2099 66.837
2100 66.683