Year Number
1950 65.535
1951 66.02
1952 66.355
1953 66.87
1954 67.523
1955 68.155
1956 69.064
1957 70.064
1958 71.004
1959 71.823
1960 72.54
1961 72.579
1962 72.642
1963 72.649
1964 72.556
1965 72.366
1966 72.388
1967 72.111
1968 71.739
1969 71.568
1970 71.729
1971 71.151
1972 71.155
1973 71.429
1974 71.539
1975 71.296
1976 71.678
1977 71.403
1978 70.733
1979 70.061
1980 69.543
1981 69.247
1982 69.214
1983 69.24
1984 68.999
1985 68.332
1986 67.781
1987 66.856
1988 65.603
1989 64.204
1990 62.788
1991 60.838
1992 59.041
1993 57.339
1994 55.667
1995 54.032
1996 52.244
1997 50.607
1998 49.141
1999 47.896
2000 46.902
2001 46.016
2002 45.298
2003 44.777
2004 44.477
2005 44.401
2006 44.588
2007 44.944
2008 45.467
2009 46.096
2010 46.757
2011 48.136
2012 49.547
2013 50.949
2014 52.325
2015 53.657
2016 54.434
2017 55.126
2018 55.707
2019 56.141
2020 56.419
2021 56.405
2022 56.279
2023 56.091
2024 55.924
2025 55.835
2026 55.808
2027 55.87
2028 56.018
2029 56.227
2030 56.488
2031 56.739
2032 57.048
2033 57.47
2034 58.073
2035 58.901
2036 59.854
2037 61
2038 62.316
2039 63.742
2040 65.22
2041 66.6
2042 68.012
2043 69.434
2044 70.836
2045 72.193
2046 73.316
2047 74.382
2048 75.338
2049 76.114
2050 76.675
2051 76.824
2052 76.775
2053 76.57
2054 76.252
2055 75.846
2056 75.146
2057 74.417
2058 73.682
2059 72.988
2060 72.388
2061 71.708
2062 71.143
2063 70.733
2064 70.497
2065 70.42
2066 70.289
2067 70.348
2068 70.579
2069 70.964
2070 71.498
2071 71.994
2072 72.65
2073 73.443
2074 74.32
2075 75.234
2076 75.978
2077 76.771
2078 77.57
2079 78.336
2080 79.054
2081 79.499
2082 79.886
2083 80.229
2084 80.551
2085 80.861
2086 80.862
2087 80.851
2088 80.851
2089 80.881
2090 80.948
2091 80.741
2092 80.599
2093 80.531
2094 80.546
2095 80.651
2096 80.537
2097 80.539
2098 80.662
2099 80.904
2100 81.261