Year	Number
1950	81.567
1951	82.768
1952	84.466
1953	85.922
1954	86.923
1955	87.603
1956	89.545
1957	90.646
1958	91.406
1959	92.249
1960	93.303
1961	94.205
1962	95.481
1963	96.753
1964	97.439
1965	97.264
1966	97.327
1967	96.579
1968	95.28
1969	93.912
1970	92.758
1971	91.845
1972	91.251
1973	90.749
1974	89.741
1975	87.767
1976	86.353
1977	83.877
1978	80.875
1979	78.567
1980	77.914
1981	76.432
1982	77.321
1983	79.592
1984	81.609
1985	82.593
1986	85.772
1987	86.649
1988	86.524
1989	87.185
1990	89.32
1991	90.708
1992	93.393
1993	96.42
1994	98.222
1995	98.049
1996	97.312
1997	94.561
1998	90.23
1999	85.378
2000	80.757
2001	76.989
2002	74.087
2003	71.872
2004	69.925
2005	67.938
2006	65.841
2007	63.822
2008	61.892
2009	60.209
2010	58.88
2011	58.017
2012	57.113
2013	56.331
2014	55.809
2015	55.57
2016	55.409
2017	55.545
2018	55.816
2019	55.98
2020	55.913
2021	55.738
2022	55.339
2023	54.798
2024	54.264
2025	53.814
2026	53.374
2027	53.021
2028	52.705
2029	52.356
2030	51.951
2031	51.563
2032	51.129
2033	50.692
2034	50.316
2035	50.032
2036	49.863
2037	49.811
2038	49.778
2039	49.606
2040	49.225
2041	48.66
2042	47.869
2043	47.115
2044	46.755
2045	46.972
2046	47.68
2047	48.935
2048	50.461
2049	51.823
2050	52.76
2051	53.287
2052	53.423
2053	53.353
2054	53.37
2055	53.638
2056	54.053
2057	54.666
2058	55.397
2059	56.116
2060	56.746
2061	57.253
2062	57.704
2063	58.112
2064	58.485
2065	58.82
2066	59.014
2067	59.182
2068	59.328
2069	59.51
2070	59.794
2071	60.069
2072	60.389
2073	60.83
2074	61.363
2075	61.918
2076	62.393
2077	62.922
2078	63.511
2079	64.075
2080	64.65
2081	65.21
2082	65.761
2083	66.354
2084	67.006
2085	67.669
2086	68.14
2087	68.655
2088	69.179
2089	69.686
2090	70.187
2091	70.559
2092	70.948
2093	71.368
2094	71.834
2095	72.348
2096	72.714
2097	73.131
2098	73.591
2099	74.105
2100	74.689