Year Years
1950 48.6
1951 48.85
1952 49.35
1953 49.85
1954 50.35
1955 50.85
1956 51.35
1957 51.85
1958 52.35
1959 52.85
1960 53.35
1961 53.85
1962 54.35
1963 54.85
1964 55.35
1965 55.85
1966 56.35
1967 56.85
1968 57.35
1969 57.85
1970 58.35
1971 58.85
1972 59.35
1973 59.85
1974 60.35
1975 60.85
1976 61.35
1977 61.85
1978 62.35
1979 62.85
1980 63.35
1981 63.849
1982 64.347
1983 64.845
1984 65.343
1985 65.844
1986 66.35
1987 66.863
1988 67.382
1989 67.904
1990 68.425
1991 68.942
1992 69.45
1993 69.944
1994 70.42
1995 70.872
1996 71.296
1997 71.692
1998 72.065
1999 72.416
2000 72.753
2001 73.082
2002 73.41
2003 73.744
2004 74.088
2005 74.448
2006 74.827
2007 75.224
2008 75.63
2009 76.039
2010 76.442
2011 76.825
2012 77.181
2013 77.503
2014 77.79
2015 78.043
2016 78.27
2017 78.48
2018 78.683
2019 78.885
2020 79.087
2021 79.291
2022 79.495
2023 79.696
2024 79.895
2025 80.092
2026 80.286
2027 80.476
2028 80.663
2029 80.846
2030 81.026
2031 81.203
2032 81.377
2033 81.549
2034 81.72
2035 81.888
2036 82.055
2037 82.22
2038 82.382
2039 82.543
2040 82.702
2041 82.859
2042 83.014
2043 83.168
2044 83.32
2045 83.471
2046 83.62
2047 83.768
2048 83.915
2049 84.06
2050 84.205
2051 84.348
2052 84.49
2053 84.631
2054 84.77
2055 84.909
2056 85.047
2057 85.183
2058 85.319
2059 85.454
2060 85.588
2061 85.722
2062 85.855
2063 85.988
2064 86.119
2065 86.25
2066 86.378
2067 86.505
2068 86.63
2069 86.754
2070 86.877
2071 86.999
2072 87.122
2073 87.245
2074 87.369
2075 87.494
2076 87.62
2077 87.747
2078 87.872
2079 87.998
2080 88.122
2081 88.246
2082 88.369
2083 88.491
2084 88.612
2085 88.732
2086 88.852
2087 88.971
2088 89.089
2089 89.207
2090 89.325
2091 89.443
2092 89.561
2093 89.68
2094 89.799
2095 89.918
2096 90.038
2097 90.159
2098 90.28
2099 90.402