Year Years
1950 66.94
1951 67.318
1952 68.044
1953 68.708
1954 69.311
1955 69.852
1956 70.333
1957 70.755
1958 71.121
1959 71.437
1960 71.707
1961 71.941
1962 72.147
1963 72.334
1964 72.51
1965 72.68
1966 72.846
1967 73.007
1968 73.163
1969 73.316
1970 73.47
1971 73.626
1972 73.784
1973 73.947
1974 74.117
1975 74.3
1976 74.501
1977 74.72
1978 74.957
1979 75.209
1980 75.469
1981 75.729
1982 75.983
1983 76.225
1984 76.452
1985 76.667
1986 76.874
1987 77.08
1988 77.288
1989 77.498
1990 77.703
1991 77.892
1992 78.06
1993 78.208
1994 78.341
1995 78.471
1996 78.614
1997 78.785
1998 78.992
1999 79.24
2000 79.527
2001 79.85
2002 80.194
2003 80.545
2004 80.893
2005 81.228
2006 81.542
2007 81.831
2008 82.096
2009 82.334
2010 82.545
2011 82.73
2012 82.896
2013 83.05
2014 83.195
2015 83.334
2016 83.471
2017 83.605
2018 83.737
2019 83.87
2020 84.003
2021 84.138
2022 84.274
2023 84.409
2024 84.543
2025 84.677
2026 84.811
2027 84.944
2028 85.076
2029 85.207
2030 85.337
2031 85.467
2032 85.597
2033 85.726
2034 85.854
2035 85.982
2036 86.11
2037 86.236
2038 86.362
2039 86.486
2040 86.611
2041 86.735
2042 86.86
2043 86.985
2044 87.11
2045 87.236
2046 87.361
2047 87.487
2048 87.611
2049 87.735
2050 87.857
2051 87.979
2052 88.1
2053 88.221
2054 88.341
2055 88.461
2056 88.581
2057 88.701
2058 88.821
2059 88.941
2060 89.061
2061 89.181
2062 89.3
2063 89.419
2064 89.538
2065 89.656
2066 89.774
2067 89.892
2068 90.009
2069 90.127
2070 90.245
2071 90.363
2072 90.481
2073 90.599
2074 90.717
2075 90.835
2076 90.953
2077 91.071
2078 91.188
2079 91.306
2080 91.424
2081 91.543
2082 91.662
2083 91.782
2084 91.902
2085 92.022
2086 92.141
2087 92.259
2088 92.376
2089 92.492
2090 92.607
2091 92.721
2092 92.834
2093 92.948
2094 93.063
2095 93.178
2096 93.294
2097 93.411
2098 93.528
2099 93.646