Year Years
1950 42.55
1951 42.784
1952 43.243
1953 43.684
1954 44.107
1955 44.51
1956 44.894
1957 45.26
1958 45.606
1959 45.934
1960 46.243
1961 46.535
1962 46.816
1963 47.093
1964 47.377
1965 47.685
1966 48.034
1967 48.434
1968 48.887
1969 49.395
1970 49.948
1971 50.535
1972 51.136
1973 51.741
1974 52.344
1975 52.946
1976 53.556
1977 54.184
1978 54.836
1979 55.513
1980 56.225
1981 56.983
1982 57.777
1983 58.588
1984 59.39
1985 60.159
1986 60.877
1987 61.512
1988 62.022
1989 62.366
1990 62.483
1991 62.315
1992 61.852
1993 61.103
1994 60.088
1995 58.813
1996 57.292
1997 55.597
1998 53.83
1999 52.094
2000 50.514
2001 49.201
2002 48.222
2003 47.624
2004 47.445
2005 47.72
2006 48.457
2007 49.571
2008 50.952
2009 52.508
2010 54.128
2011 55.705
2012 57.164
2013 58.446
2014 59.505
2015 60.32
2016 60.908
2017 61.34
2018 61.682
2019 61.965
2020 62.217
2021 62.455
2022 62.684
2023 62.911
2024 63.149
2025 63.406
2026 63.684
2027 63.974
2028 64.272
2029 64.576
2030 64.887
2031 65.204
2032 65.525
2033 65.849
2034 66.176
2035 66.503
2036 66.831
2037 67.159
2038 67.488
2039 67.814
2040 68.136
2041 68.452
2042 68.762
2043 69.064
2044 69.359
2045 69.647
2046 69.93
2047 70.21
2048 70.488
2049 70.764
2050 71.04
2051 71.314
2052 71.585
2053 71.853
2054 72.118
2055 72.38
2056 72.639
2057 72.896
2058 73.151
2059 73.405
2060 73.657
2061 73.909
2062 74.159
2063 74.407
2064 74.653
2065 74.897
2066 75.138
2067 75.378
2068 75.614
2069 75.846
2070 76.073
2071 76.292
2072 76.504
2073 76.708
2074 76.903
2075 77.091
2076 77.272
2077 77.449
2078 77.622
2079 77.793
2080 77.963
2081 78.132
2082 78.3
2083 78.467
2084 78.633
2085 78.799
2086 78.964
2087 79.129
2088 79.292
2089 79.453
2090 79.614
2091 79.774
2092 79.932
2093 80.09
2094 80.247
2095 80.403
2096 80.559
2097 80.713
2098 80.868
2099 81.021