Year Number
1950 50.386
1951 51.148
1952 51.762
1953 52.352
1954 52.859
1955 53.166
1956 53.061
1957 52.957
1958 52.744
1959 52.39
1960 51.938
1961 51.76
1962 51.387
1963 50.961
1964 50.667
1965 50.596
1966 50.83
1967 51.18
1968 51.652
1969 52.176
1970 52.686
1971 53.415
1972 54.124
1973 54.778
1974 55.336
1975 55.774
1976 56.077
1977 56.225
1978 56.241
1979 56.151
1980 55.969
1981 55.749
1982 55.48
1983 55.192
1984 54.944
1985 54.799
1986 54.814
1987 54.924
1988 55.113
1989 55.337
1990 55.562
1991 56.019
1992 56.404
1993 56.731
1994 56.958
1995 57.023
1996 57.07
1997 56.843
1998 56.42
1999 55.944
2000 55.51
2001 54.69
2002 54.173
2003 53.829
2004 53.488
2005 53.108
2006 53.165
2007 52.998
2008 52.773
2009 52.775
2010 53.164
2011 53.85
2012 54.967
2013 56.437
2014 57.967
2015 59.304
2016 60.397
2017 61.306
2018 62.022
2019 62.609
2020 63.134
2021 63.721
2022 64.202
2023 64.599
2024 64.949
2025 65.274
2026 65.527
2027 65.743
2028 65.964
2029 66.249
2030 66.635
2031 67.019
2032 67.528
2033 68.079
2034 68.553
2035 68.883
2036 69.016
2037 69.035
2038 68.992
2039 68.942
2040 68.905
2041 68.86
2042 68.866
2043 68.899
2044 68.946
2045 69.032
2046 69.132
2047 69.276
2048 69.49
2049 69.784
2050 70.145
2051 70.421
2052 70.763
2053 71.165
2054 71.64
2055 72.207
2056 72.734
2057 73.369
2058 74.023
2059 74.529
2060 74.764
2061 74.598
2062 74.234
2063 73.733
2064 73.219
2065 72.802
2066 72.359
2067 72.016
2068 71.793
2069 71.695
2070 71.718
2071 71.677
2072 71.782
2073 72.003
2074 72.299
2075 72.641
2076 72.822
2077 73.06
2078 73.356
2079 73.717
2080 74.143
2081 74.394
2082 74.711
2083 75.104
2084 75.552
2085 76.021
2086 76.3
2087 76.661
2088 77.028
2089 77.37
2090 77.721
2091 77.882
2092 78.018
2093 78.189
2094 78.442
2095 78.765
2096 78.78
2097 78.889
2098 79.074
2099 79.298
2100 79.544