Year	Number
1950	95.236
1951	94.372
1952	91.971
1953	89.921
1954	88.631
1955	87.727
1956	86.159
1957	85.636
1958	85.357
1959	84.825
1960	84.07
1961	84.55
1962	84.193
1963	83.623
1964	83.5
1965	84.029
1966	85.52
1967	87.125
1968	88.787
1969	90.318
1970	91.62
1971	93.186
1972	94.331
1973	95.227
1974	96.214
1975	97.564
1976	99.013
1977	99.704
1978	99.519
1979	98.11
1980	95.385
1981	95.042
1982	93.593
1983	91.601
1984	90.136
1985	89.91
1986	89.09
1987	89.628
1988	90.712
1989	91.104
1990	90.174
1991	90.707
1992	89.849
1993	88.142
1994	86.486
1995	85.3
1996	84.118
1997	83.395
1998	82.799
1999	81.782
2000	80.136
2001	78.384
2002	76.271
2003	73.92
2004	71.556
2005	69.305
2006	67.556
2007	65.743
2008	63.985
2009	62.414
2010	61.095
2011	60.333
2012	59.799
2013	59.41
2014	59.018
2015	58.534
2016	58.066
2017	57.468
2018	56.804
2019	56.174
2020	55.624
2021	55.119
2022	54.677
2023	54.266
2024	53.838
2025	53.375
2026	53.016
2027	52.605
2028	52.156
2029	51.694
2030	51.233
2031	50.838
2032	50.434
2033	50.024
2034	49.606
2035	49.184
2036	48.823
2037	48.453
2038	48.1
2039	47.8
2040	47.572
2041	47.492
2042	47.474
2043	47.486
2044	47.481
2045	47.438
2046	47.441
2047	47.386
2048	47.337
2049	47.38
2050	47.559
2051	47.915
2052	48.366
2053	48.869
2054	49.357
2055	49.791
2056	50.24
2057	50.627
2058	50.951
2059	51.21
2060	51.404
2061	51.591
2062	51.696
2063	51.742
2064	51.765
2065	51.787
2066	51.88
2067	51.956
2068	52.021
2069	52.078
2070	52.129
2071	52.27
2072	52.396
2073	52.515
2074	52.642
2075	52.79
2076	53.091
2077	53.392
2078	53.695
2079	53.993
2080	54.28
2081	54.683
2082	55.063
2083	55.425
2084	55.771
2085	56.103
2086	56.544
2087	56.96
2088	57.351
2089	57.714
2090	58.048
2091	58.458
2092	58.829
2093	59.163
2094	59.461
2095	59.724
2096	60.041
2097	60.318
2098	60.563
2099	60.782
2100	60.977