Year Years
1950 53.45
1951 53.729
1952 54.287
1953 54.84
1954 55.388
1955 55.933
1956 56.475
1957 57.015
1958 57.556
1959 58.101
1960 58.656
1961 59.224
1962 59.808
1963 60.408
1964 61.018
1965 61.631
1966 62.239
1967 62.83
1968 63.396
1969 63.927
1970 64.417
1971 64.859
1972 65.257
1973 65.616
1974 65.944
1975 66.249
1976 66.546
1977 66.844
1978 67.148
1979 67.459
1980 67.781
1981 68.11
1982 68.435
1983 68.74
1984 69.01
1985 69.226
1986 69.371
1987 69.434
1988 69.41
1989 69.298
1990 69.093
1991 68.791
1992 68.411
1993 67.978
1994 67.518
1995 67.06
1996 66.632
1997 66.256
1998 65.95
1999 65.73
2000 65.614
2001 65.609
2002 65.699
2003 65.862
2004 66.078
2005 66.32
2006 66.555
2007 66.763
2008 66.928
2009 67.046
2010 67.123
2011 67.177
2012 67.235
2013 67.316
2014 67.428
2015 67.57
2016 67.736
2017 67.913
2018 68.088
2019 68.258
2020 68.419
2021 68.571
2022 68.717
2023 68.861
2024 69.003
2025 69.143
2026 69.283
2027 69.423
2028 69.564
2029 69.706
2030 69.849
2031 69.992
2032 70.136
2033 70.28
2034 70.424
2035 70.568
2036 70.713
2037 70.858
2038 71.005
2039 71.152
2040 71.299
2041 71.447
2042 71.594
2043 71.74
2044 71.886
2045 72.033
2046 72.18
2047 72.328
2048 72.478
2049 72.629
2050 72.782
2051 72.936
2052 73.09
2053 73.244
2054 73.398
2055 73.552
2056 73.707
2057 73.862
2058 74.018
2059 74.175
2060 74.335
2061 74.496
2062 74.659
2063 74.824
2064 74.99
2065 75.158
2066 75.325
2067 75.493
2068 75.661
2069 75.828
2070 75.994
2071 76.161
2072 76.328
2073 76.495
2074 76.664
2075 76.833
2076 77.003
2077 77.172
2078 77.341
2079 77.51
2080 77.68
2081 77.852
2082 78.026
2083 78.203
2084 78.382
2085 78.563
2086 78.744
2087 78.926
2088 79.106
2089 79.285
2090 79.463
2091 79.639
2092 79.814
2093 79.988
2094 80.162
2095 80.336
2096 80.51
2097 80.683
2098 80.857
2099 81.03