Year Years
1950 52.23
1951 52.33
1952 52.534
1953 52.749
1954 52.976
1955 53.214
1956 53.463
1957 53.725
1958 54.001
1959 54.293
1960 54.604
1961 54.936
1962 55.294
1963 55.68
1964 56.095
1965 56.543
1966 57.022
1967 57.532
1968 58.069
1969 58.631
1970 59.217
1971 59.827
1972 60.456
1973 61.103
1974 61.76
1975 62.425
1976 63.094
1977 63.765
1978 64.432
1979 65.087
1980 65.722
1981 66.329
1982 66.905
1983 67.45
1984 67.961
1985 68.442
1986 68.898
1987 69.336
1988 69.761
1989 70.174
1990 70.575
1991 70.962
1992 71.33
1993 71.677
1994 72.004
1995 72.314
1996 72.611
1997 72.897
1998 73.176
1999 73.449
2000 73.713
2001 73.968
2002 74.209
2003 74.435
2004 74.647
2005 74.845
2006 75.029
2007 75.203
2008 75.371
2009 75.537
2010 75.706
2011 75.883
2012 76.071
2013 76.271
2014 76.484
2015 76.708
2016 76.941
2017 77.179
2018 77.416
2019 77.653
2020 77.886
2021 78.117
2022 78.345
2023 78.573
2024 78.8
2025 79.027
2026 79.253
2027 79.48
2028 79.707
2029 79.934
2030 80.16
2031 80.387
2032 80.612
2033 80.836
2034 81.057
2035 81.273
2036 81.485
2037 81.69
2038 81.889
2039 82.081
2040 82.265
2041 82.441
2042 82.611
2043 82.774
2044 82.931
2045 83.083
2046 83.231
2047 83.374
2048 83.513
2049 83.65
2050 83.785
2051 83.917
2052 84.048
2053 84.176
2054 84.304
2055 84.43
2056 84.556
2057 84.68
2058 84.804
2059 84.928
2060 85.05
2061 85.17
2062 85.29
2063 85.407
2064 85.523
2065 85.637
2066 85.751
2067 85.866
2068 85.98
2069 86.095
2070 86.21
2071 86.326
2072 86.442
2073 86.558
2074 86.674
2075 86.788
2076 86.901
2077 87.012
2078 87.123
2079 87.232
2080 87.34
2081 87.449
2082 87.558
2083 87.669
2084 87.781
2085 87.894
2086 88.008
2087 88.123
2088 88.237
2089 88.351
2090 88.464
2091 88.576
2092 88.686
2093 88.794
2094 88.901
2095 89.006
2096 89.11
2097 89.211
2098 89.311
2099 89.409