Year Years
1950 70.03
1951 70.142
1952 70.357
1953 70.552
1954 70.728
1955 70.883
1956 71.019
1957 71.136
1958 71.236
1959 71.32
1960 71.392
1961 71.453
1962 71.509
1963 71.562
1964 71.614
1965 71.669
1966 71.725
1967 71.784
1968 71.842
1969 71.901
1970 71.958
1971 72.009
1972 72.055
1973 72.098
1974 72.142
1975 72.198
1976 72.276
1977 72.383
1978 72.522
1979 72.692
1980 72.884
1981 73.088
1982 73.291
1983 73.484
1984 73.667
1985 73.841
1986 74.012
1987 74.19
1988 74.383
1989 74.594
1990 74.822
1991 75.069
1992 75.327
1993 75.592
1994 75.861
1995 76.127
1996 76.387
1997 76.639
1998 76.882
1999 77.115
2000 77.34
2001 77.559
2002 77.778
2003 77.998
2004 78.219
2005 78.443
2006 78.665
2007 78.884
2008 79.097
2009 79.305
2010 79.508
2011 79.708
2012 79.907
2013 80.106
2014 80.307
2015 80.509
2016 80.714
2017 80.919
2018 81.126
2019 81.332
2020 81.537
2021 81.741
2022 81.944
2023 82.145
2024 82.341
2025 82.533
2026 82.716
2027 82.892
2028 83.059
2029 83.217
2030 83.368
2031 83.511
2032 83.649
2033 83.784
2034 83.916
2035 84.046
2036 84.174
2037 84.299
2038 84.423
2039 84.545
2040 84.665
2041 84.784
2042 84.903
2043 85.022
2044 85.14
2045 85.257
2046 85.375
2047 85.492
2048 85.608
2049 85.723
2050 85.837
2051 85.951
2052 86.064
2053 86.176
2054 86.288
2055 86.4
2056 86.512
2057 86.625
2058 86.738
2059 86.851
2060 86.965
2061 87.079
2062 87.193
2063 87.306
2064 87.419
2065 87.532
2066 87.643
2067 87.754
2068 87.865
2069 87.976
2070 88.086
2071 88.195
2072 88.305
2073 88.414
2074 88.524
2075 88.634
2076 88.744
2077 88.856
2078 88.968
2079 89.081
2080 89.195
2081 89.308
2082 89.421
2083 89.533
2084 89.644
2085 89.755
2086 89.866
2087 89.977
2088 90.089
2089 90.202
2090 90.315
2091 90.429
2092 90.542
2093 90.655
2094 90.767
2095 90.879
2096 90.988
2097 91.097
2098 91.205
2099 91.311