Year Years
1950 66.03
1951 66.199
1952 66.518
1953 66.799
1954 67.042
1955 67.249
1956 67.419
1957 67.555
1958 67.661
1959 67.744
1960 67.811
1961 67.871
1962 67.934
1963 68.006
1964 68.091
1965 68.189
1966 68.293
1967 68.396
1968 68.495
1969 68.589
1970 68.681
1971 68.776
1972 68.88
1973 68.997
1974 69.132
1975 69.289
1976 69.47
1977 69.675
1978 69.898
1979 70.137
1980 70.383
1981 70.631
1982 70.873
1983 71.105
1984 71.328
1985 71.543
1986 71.757
1987 71.975
1988 72.204
1989 72.442
1990 72.688
1991 72.934
1992 73.177
1993 73.413
1994 73.643
1995 73.871
1996 74.103
1997 74.347
1998 74.606
1999 74.882
2000 75.174
2001 75.482
2002 75.799
2003 76.12
2004 76.44
2005 76.754
2006 77.059
2007 77.352
2008 77.632
2009 77.897
2010 78.145
2011 78.374
2012 78.587
2013 78.786
2014 78.975
2015 79.156
2016 79.332
2017 79.507
2018 79.682
2019 79.86
2020 80.042
2021 80.227
2022 80.414
2023 80.602
2024 80.789
2025 80.978
2026 81.167
2027 81.358
2028 81.55
2029 81.742
2030 81.934
2031 82.126
2032 82.317
2033 82.505
2034 82.691
2035 82.871
2036 83.047
2037 83.217
2038 83.382
2039 83.541
2040 83.694
2041 83.841
2042 83.984
2043 84.123
2044 84.257
2045 84.389
2046 84.516
2047 84.641
2048 84.762
2049 84.881
2050 84.997
2051 85.112
2052 85.225
2053 85.338
2054 85.449
2055 85.561
2056 85.673
2057 85.786
2058 85.899
2059 86.012
2060 86.126
2061 86.239
2062 86.352
2063 86.465
2064 86.576
2065 86.686
2066 86.796
2067 86.906
2068 87.015
2069 87.125
2070 87.234
2071 87.344
2072 87.455
2073 87.566
2074 87.677
2075 87.788
2076 87.901
2077 88.014
2078 88.127
2079 88.24
2080 88.354
2081 88.469
2082 88.583
2083 88.698
2084 88.812
2085 88.926
2086 89.04
2087 89.153
2088 89.264
2089 89.375
2090 89.486
2091 89.596
2092 89.706
2093 89.816
2094 89.927
2095 90.038
2096 90.15
2097 90.263
2098 90.376
2099 90.49