Year Years
1950 55.62
1951 55.592
1952 55.583
1953 55.671
1954 55.857
1955 56.137
1956 56.508
1957 56.96
1958 57.48
1959 58.041
1960 58.612
1961 59.164
1962 59.665
1963 60.096
1964 60.455
1965 60.758
1966 61.038
1967 61.334
1968 61.674
1969 62.063
1970 62.497
1971 62.962
1972 63.428
1973 63.872
1974 64.284
1975 64.657
1976 64.991
1977 65.295
1978 65.575
1979 65.833
1980 66.076
1981 66.312
1982 66.543
1983 66.762
1984 66.959
1985 67.107
1986 67.169
1987 67.13
1988 66.994
1989 66.779
1990 66.525
1991 66.284
1992 66.106
1993 66.023
1994 66.05
1995 66.185
1996 66.407
1997 66.675
1998 66.948
1999 67.207
2000 67.432
2001 67.611
2002 67.749
2003 67.854
2004 67.928
2005 67.98
2006 68.021
2007 68.066
2008 68.126
2009 68.209
2010 68.317
2011 68.45
2012 68.603
2013 68.769
2014 68.945
2015 69.127
2016 69.314
2017 69.503
2018 69.693
2019 69.881
2020 70.068
2021 70.253
2022 70.438
2023 70.623
2024 70.808
2025 70.994
2026 71.18
2027 71.366
2028 71.551
2029 71.737
2030 71.923
2031 72.109
2032 72.297
2033 72.485
2034 72.675
2035 72.866
2036 73.059
2037 73.253
2038 73.447
2039 73.643
2040 73.838
2041 74.034
2042 74.231
2043 74.427
2044 74.623
2045 74.819
2046 75.015
2047 75.212
2048 75.409
2049 75.606
2050 75.803
2051 76.002
2052 76.201
2053 76.4
2054 76.6
2055 76.8
2056 77
2057 77.201
2058 77.401
2059 77.6
2060 77.799
2061 77.997
2062 78.195
2063 78.391
2064 78.585
2065 78.777
2066 78.965
2067 79.149
2068 79.329
2069 79.504
2070 79.675
2071 79.841
2072 80.003
2073 80.162
2074 80.318
2075 80.471
2076 80.622
2077 80.77
2078 80.916
2079 81.059
2080 81.2
2081 81.339
2082 81.474
2083 81.607
2084 81.736
2085 81.864
2086 81.988
2087 82.111
2088 82.232
2089 82.351
2090 82.469
2091 82.587
2092 82.703
2093 82.82
2094 82.936
2095 83.052
2096 83.167
2097 83.283
2098 83.398
2099 83.513