Year	Years
1950	48.6
1951	48.85
1952	49.35
1953	49.85
1954	50.35
1955	50.85
1956	51.35
1957	51.85
1958	52.35
1959	52.85
1960	53.35
1961	53.85
1962	54.35
1963	54.85
1964	55.35
1965	55.85
1966	56.35
1967	56.85
1968	57.35
1969	57.85
1970	58.35
1971	58.85
1972	59.35
1973	59.85
1974	60.35
1975	60.85
1976	61.35
1977	61.85
1978	62.35
1979	62.85
1980	63.35
1981	63.849
1982	64.347
1983	64.845
1984	65.343
1985	65.844
1986	66.35
1987	66.863
1988	67.382
1989	67.904
1990	68.425
1991	68.942
1992	69.45
1993	69.944
1994	70.42
1995	70.872
1996	71.296
1997	71.692
1998	72.065
1999	72.416
2000	72.753
2001	73.082
2002	73.41
2003	73.744
2004	74.088
2005	74.448
2006	74.827
2007	75.224
2008	75.63
2009	76.039
2010	76.442
2011	76.825
2012	77.181
2013	77.503
2014	77.79
2015	78.043
2016	78.27
2017	78.48
2018	78.683
2019	78.885
2020	79.087
2021	79.291
2022	79.495
2023	79.696
2024	79.895
2025	80.092
2026	80.286
2027	80.476
2028	80.663
2029	80.846
2030	81.026
2031	81.203
2032	81.377
2033	81.549
2034	81.72
2035	81.888
2036	82.055
2037	82.22
2038	82.382
2039	82.543
2040	82.702
2041	82.859
2042	83.014
2043	83.168
2044	83.32
2045	83.471
2046	83.62
2047	83.768
2048	83.915
2049	84.06
2050	84.205
2051	84.348
2052	84.49
2053	84.631
2054	84.77
2055	84.909
2056	85.047
2057	85.183
2058	85.319
2059	85.454
2060	85.588
2061	85.722
2062	85.855
2063	85.988
2064	86.119
2065	86.25
2066	86.378
2067	86.505
2068	86.63
2069	86.754
2070	86.877
2071	86.999
2072	87.122
2073	87.245
2074	87.369
2075	87.494
2076	87.62
2077	87.747
2078	87.872
2079	87.998
2080	88.122
2081	88.246
2082	88.369
2083	88.491
2084	88.612
2085	88.732
2086	88.852
2087	88.971
2088	89.089
2089	89.207
2090	89.325
2091	89.443
2092	89.561
2093	89.68
2094	89.799
2095	89.918
2096	90.038
2097	90.159
2098	90.28
2099	90.402