Year Number
1950 48.564
1951 49.722
1952 50.916
1953 52.146
1954 53.199
1955 53.887
1956 54.386
1957 54.64
1958 54.616
1959 54.366
1960 53.96
1961 53.437
1962 52.85
1963 52.207
1964 51.523
1965 50.828
1966 50.655
1967 50.339
1968 50.015
1969 49.885
1970 50.068
1971 50.382
1972 51.059
1973 51.994
1974 52.994
1975 53.948
1976 55.444
1977 56.777
1978 57.855
1979 58.517
1980 58.631
1981 58.406
1982 57.503
1983 56.248
1984 55.099
1985 54.3
1986 53.533
1987 53.305
1988 53.246
1989 52.873
1990 51.991
1991 51.514
1992 50.464
1993 49.104
1994 47.797
1995 46.694
1996 45.921
1997 45.233
1998 44.605
1999 43.945
2000 43.22
2001 42.379
2002 41.692
2003 41.126
2004 40.657
2005 40.312
2006 40.427
2007 40.58
2008 40.855
2009 41.359
2010 42.121
2011 43.398
2012 44.794
2013 46.311
2014 47.91
2015 49.517
2016 50.896
2017 52.351
2018 53.802
2019 55.018
2020 55.909
2021 56.726
2022 57.16
2023 57.336
2024 57.464
2025 57.656
2026 57.836
2027 58.089
2028 58.376
2029 58.619
2030 58.791
2031 58.909
2032 58.988
2033 59.11
2034 59.4
2035 59.933
2036 60.681
2037 61.663
2038 62.868
2039 64.254
2040 65.787
2041 67.527
2042 69.437
2043 71.425
2044 73.332
2045 75.04
2046 76.516
2047 77.765
2048 78.84
2049 79.849
2050 80.864
2051 81.75
2052 82.619
2053 83.446
2054 84.187
2055 84.807
2056 85.161
2057 85.441
2058 85.576
2059 85.478
2060 85.113
2061 84.321
2062 83.297
2063 82.165
2064 81.076
2065 80.108
2066 79.072
2067 78.194
2068 77.498
2069 76.992
2070 76.676
2071 76.479
2072 76.569
2073 76.834
2074 77.137
2075 77.423
2076 77.631
2077 77.817
2078 78.036
2079 78.35
2080 78.755
2081 79.042
2082 79.425
2083 79.867
2084 80.313
2085 80.73
2086 80.962
2087 81.218
2088 81.457
2089 81.656
2090 81.833
2091 81.778
2092 81.687
2093 81.602
2094 81.559
2095 81.559
2096 81.247
2097 81.009
2098 80.858
2099 80.779
2100 80.761