Year Years
1950 55.72
1951 55.838
1952 56.071
1953 56.298
1954 56.519
1955 56.734
1956 56.944
1957 57.149
1958 57.35
1959 57.549
1960 57.748
1961 57.946
1962 58.147
1963 58.347
1964 58.544
1965 58.734
1966 58.908
1967 59.063
1968 59.195
1969 59.303
1970 59.387
1971 59.449
1972 59.495
1973 59.529
1974 59.556
1975 59.58
1976 59.602
1977 59.624
1978 59.646
1979 59.669
1980 59.688
1981 59.701
1982 59.704
1983 59.699
1984 59.691
1985 59.687
1986 59.697
1987 59.73
1988 59.791
1989 59.884
1990 60.01
1991 60.169
1992 60.353
1993 60.555
1994 60.769
1995 60.992
1996 61.218
1997 61.445
1998 61.67
1999 61.889
2000 62.099
2001 62.298
2002 62.487
2003 62.668
2004 62.84
2005 63.003
2006 63.158
2007 63.307
2008 63.451
2009 63.59
2010 63.723
2011 63.85
2012 63.971
2013 64.084
2014 64.192
2015 64.294
2016 64.393
2017 64.489
2018 64.585
2019 64.679
2020 64.774
2021 64.869
2022 64.962
2023 65.054
2024 65.145
2025 65.235
2026 65.326
2027 65.418
2028 65.512
2029 65.606
2030 65.702
2031 65.796
2032 65.89
2033 65.981
2034 66.071
2035 66.158
2036 66.244
2037 66.331
2038 66.417
2039 66.504
2040 66.592
2041 66.679
2042 66.765
2043 66.85
2044 66.934
2045 67.016
2046 67.098
2047 67.18
2048 67.262
2049 67.344
2050 67.428
2051 67.512
2052 67.597
2053 67.683
2054 67.77
2055 67.858
2056 67.945
2057 68.034
2058 68.122
2059 68.211
2060 68.301
2061 68.392
2062 68.484
2063 68.578
2064 68.673
2065 68.77
2066 68.869
2067 68.969
2068 69.07
2069 69.172
2070 69.274
2071 69.375
2072 69.476
2073 69.576
2074 69.675
2075 69.775
2076 69.876
2077 69.979
2078 70.085
2079 70.194
2080 70.306
2081 70.421
2082 70.539
2083 70.658
2084 70.78
2085 70.904
2086 71.029
2087 71.156
2088 71.284
2089 71.413
2090 71.543
2091 71.674
2092 71.804
2093 71.933
2094 72.063
2095 72.192
2096 72.32
2097 72.447
2098 72.574
2099 72.7