Year	Years
1950	40.85
1951	41.207
1952	41.92
1953	42.628
1954	43.33
1955	44.028
1956	44.72
1957	45.403
1958	46.076
1959	46.732
1960	47.366
1961	47.972
1962	48.542
1963	49.073
1964	49.564
1965	50.016
1966	50.435
1967	50.827
1968	51.2
1969	51.557
1970	51.901
1971	52.231
1972	52.546
1973	52.846
1974	53.131
1975	53.408
1976	53.681
1977	53.954
1978	54.222
1979	54.48
1980	54.723
1981	54.944
1982	55.131
1983	55.275
1984	55.365
1985	55.391
1986	55.344
1987	55.223
1988	55.032
1989	54.774
1990	54.445
1991	54.038
1992	53.567
1993	53.054
1994	52.525
1995	52.003
1996	51.508
1997	51.065
1998	50.71
1999	50.479
2000	50.431
2001	50.618
2002	51.048
2003	51.709
2004	52.576
2005	53.606
2006	54.743
2007	55.913
2008	57.053
2009	58.118
2010	59.077
2011	59.92
2012	60.672
2013	61.354
2014	61.968
2015	62.52
2016	63.016
2017	63.466
2018	63.88
2019	64.268
2020	64.635
2021	64.987
2022	65.322
2023	65.643
2024	65.953
2025	66.255
2026	66.551
2027	66.841
2028	67.125
2029	67.402
2030	67.674
2031	67.94
2032	68.199
2033	68.451
2034	68.695
2035	68.931
2036	69.157
2037	69.375
2038	69.585
2039	69.786
2040	69.981
2041	70.17
2042	70.353
2043	70.533
2044	70.711
2045	70.889
2046	71.066
2047	71.245
2048	71.424
2049	71.605
2050	71.787
2051	71.972
2052	72.158
2053	72.345
2054	72.532
2055	72.718
2056	72.904
2057	73.089
2058	73.273
2059	73.454
2060	73.632
2061	73.807
2062	73.978
2063	74.146
2064	74.309
2065	74.468
2066	74.62
2067	74.767
2068	74.909
2069	75.045
2070	75.177
2071	75.306
2072	75.432
2073	75.558
2074	75.683
2075	75.808
2076	75.933
2077	76.058
2078	76.183
2079	76.308
2080	76.432
2081	76.555
2082	76.679
2083	76.802
2084	76.924
2085	77.047
2086	77.168
2087	77.289
2088	77.41
2089	77.531
2090	77.651
2091	77.771
2092	77.891
2093	78.01
2094	78.13
2095	78.25
2096	78.37
2097	78.49
2098	78.61
2099	78.73