Year	Years
1950	33.408
1951	33.472
1952	33.577
1953	33.635
1954	33.644
1955	33.607
1956	33.532
1957	33.43
1958	33.322
1959	33.244
1960	33.236
1961	33.343
1962	33.602
1963	34.038
1964	34.648
1965	35.409
1966	36.275
1967	37.188
1968	38.1
1969	38.988
1970	39.843
1971	40.673
1972	41.508
1973	42.366
1974	43.251
1975	44.169
1976	45.12
1977	46.099
1978	47.093
1979	48.09
1980	49.081
1981	50.055
1982	51.001
1983	51.907
1984	52.759
1985	53.542
1986	54.244
1987	54.866
1988	55.41
1989	55.883
1990	56.292
1991	56.647
1992	56.964
1993	57.258
1994	57.538
1995	57.811
1996	58.074
1997	58.326
1998	58.567
1999	58.802
2000	59.042
2001	59.298
2002	59.573
2003	59.872
2004	60.191
2005	60.527
2006	60.874
2007	61.22
2008	61.555
2009	61.873
2010	62.168
2011	62.44
2012	62.689
2013	62.92
2014	63.134
2015	63.333
2016	63.521
2017	63.701
2018	63.875
2019	64.047
2020	64.218
2021	64.386
2022	64.55
2023	64.71
2024	64.866
2025	65.018
2026	65.166
2027	65.312
2028	65.456
2029	65.598
2030	65.738
2031	65.877
2032	66.014
2033	66.148
2034	66.281
2035	66.412
2036	66.541
2037	66.668
2038	66.793
2039	66.917
2040	67.04
2041	67.162
2042	67.283
2043	67.403
2044	67.522
2045	67.641
2046	67.757
2047	67.872
2048	67.985
2049	68.096
2050	68.205
2051	68.312
2052	68.418
2053	68.523
2054	68.629
2055	68.735
2056	68.841
2057	68.949
2058	69.058
2059	69.167
2060	69.276
2061	69.385
2062	69.491
2063	69.596
2064	69.699
2065	69.802
2066	69.905
2067	70.01
2068	70.119
2069	70.23
2070	70.346
2071	70.465
2072	70.587
2073	70.711
2074	70.836
2075	70.962
2076	71.088
2077	71.213
2078	71.337
2079	71.462
2080	71.586
2081	71.711
2082	71.837
2083	71.966
2084	72.097
2085	72.231
2086	72.369
2087	72.508
2088	72.65
2089	72.793
2090	72.939
2091	73.085
2092	73.234
2093	73.383
2094	73.534
2095	73.685
2096	73.838
2097	73.992
2098	74.147
2099	74.303