Year Years
1950 34.457
1951 34.74
1952 35.278
1953 35.762
1954 36.194
1955 36.573
1956 36.906
1957 37.2
1958 37.469
1959 37.737
1960 38.035
1961 38.39
1962 38.834
1963 39.383
1964 40.042
1965 40.8
1966 41.634
1967 42.506
1968 43.386
1969 44.256
1970 45.106
1971 45.937
1972 46.76
1973 47.583
1974 48.406
1975 49.231
1976 50.059
1977 50.89
1978 51.722
1979 52.552
1980 53.387
1981 54.235
1982 55.093
1983 55.946
1984 56.773
1985 57.543
1986 58.219
1987 58.778
1988 59.206
1989 59.498
1990 59.656
1991 59.693
1992 59.643
1993 59.536
1994 59.396
1995 59.232
1996 59.045
1997 58.838
1998 58.627
1999 58.436
2000 58.304
2001 58.269
2002 58.349
2003 58.552
2004 58.875
2005 59.305
2006 59.815
2007 60.367
2008 60.925
2009 61.466
2010 61.978
2011 62.456
2012 62.909
2013 63.346
2014 63.764
2015 64.161
2016 64.535
2017 64.888
2018 65.222
2019 65.54
2020 65.848
2021 66.15
2022 66.449
2023 66.749
2024 67.051
2025 67.354
2026 67.656
2027 67.952
2028 68.24
2029 68.517
2030 68.782
2031 69.035
2032 69.277
2033 69.508
2034 69.731
2035 69.944
2036 70.15
2037 70.349
2038 70.543
2039 70.731
2040 70.916
2041 71.096
2042 71.273
2043 71.446
2044 71.616
2045 71.786
2046 71.957
2047 72.13
2048 72.306
2049 72.484
2050 72.664
2051 72.846
2052 73.027
2053 73.208
2054 73.387
2055 73.563
2056 73.737
2057 73.91
2058 74.081
2059 74.248
2060 74.412
2061 74.57
2062 74.723
2063 74.868
2064 75.007
2065 75.141
2066 75.269
2067 75.394
2068 75.517
2069 75.639
2070 75.76
2071 75.881
2072 76.001
2073 76.12
2074 76.239
2075 76.357
2076 76.474
2077 76.592
2078 76.71
2079 76.827
2080 76.945
2081 77.063
2082 77.181
2083 77.299
2084 77.417
2085 77.535
2086 77.653
2087 77.771
2088 77.89
2089 78.008
2090 78.126
2091 78.244
2092 78.361
2093 78.478
2094 78.595
2095 78.712
2096 78.828
2097 78.943
2098 79.058
2099 79.172