Year Years
1950 63.02
1951 63.073
1952 63.191
1953 63.333
1954 63.499
1955 63.689
1956 63.9
1957 64.13
1958 64.372
1959 64.617
1960 64.852
1961 65.064
1962 65.242
1963 65.378
1964 65.469
1965 65.519
1966 65.533
1967 65.526
1968 65.515
1969 65.51
1970 65.518
1971 65.545
1972 65.592
1973 65.66
1974 65.752
1975 65.876
1976 66.034
1977 66.224
1978 66.443
1979 66.683
1980 66.938
1981 67.198
1982 67.456
1983 67.703
1984 67.934
1985 68.142
1986 68.322
1987 68.48
1988 68.621
1989 68.752
1990 68.881
1991 69.021
1992 69.179
1993 69.359
1994 69.566
1995 69.796
1996 70.045
1997 70.305
1998 70.565
1999 70.82
2000 71.065
2001 71.298
2002 71.518
2003 71.725
2004 71.921
2005 72.103
2006 72.273
2007 72.433
2008 72.585
2009 72.734
2010 72.881
2011 73.03
2012 73.183
2013 73.341
2014 73.506
2015 73.677
2016 73.854
2017 74.034
2018 74.217
2019 74.401
2020 74.586
2021 74.77
2022 74.954
2023 75.139
2024 75.324
2025 75.51
2026 75.698
2027 75.887
2028 76.078
2029 76.271
2030 76.466
2031 76.662
2032 76.859
2033 77.055
2034 77.252
2035 77.448
2036 77.645
2037 77.842
2038 78.041
2039 78.24
2040 78.439
2041 78.64
2042 78.841
2043 79.043
2044 79.243
2045 79.442
2046 79.639
2047 79.834
2048 80.025
2049 80.213
2050 80.398
2051 80.579
2052 80.757
2053 80.932
2054 81.103
2055 81.271
2056 81.434
2057 81.593
2058 81.747
2059 81.896
2060 82.041
2061 82.18
2062 82.315
2063 82.446
2064 82.575
2065 82.702
2066 82.827
2067 82.953
2068 83.078
2069 83.203
2070 83.328
2071 83.453
2072 83.577
2073 83.699
2074 83.82
2075 83.939
2076 84.057
2077 84.174
2078 84.291
2079 84.408
2080 84.524
2081 84.638
2082 84.751
2083 84.862
2084 84.972
2085 85.081
2086 85.19
2087 85.299
2088 85.41
2089 85.521
2090 85.634
2091 85.748
2092 85.862
2093 85.975
2094 86.087
2095 86.199
2096 86.309
2097 86.417
2098 86.525
2099 86.631