Year	Number
1950	76.447
1951	78.838
1952	82.049
1953	85.127
1954	87.735
1955	89.98
1956	93.294
1957	95.583
1958	97.427
1959	99.29
1960	101.275
1961	102.95
1962	104.941
1963	106.826
1964	107.99
1965	108.199
1966	108.456
1967	107.83
1968	106.677
1969	105.517
1970	104.611
1971	104.487
1972	104.527
1973	104.659
1974	104.743
1975	104.719
1976	105.413
1977	105.92
1978	106.289
1979	106.594
1980	106.855
1981	106.899
1982	106.822
1983	106.591
1984	106.141
1985	105.434
1986	104.83
1987	103.965
1988	102.835
1989	101.437
1990	99.778
1991	97.781
1992	95.541
1993	93.169
1994	90.831
1995	88.628
1996	86.47
1997	84.643
1998	82.964
1999	81.196
2000	79.253
2001	78.253
2002	76.812
2003	75.201
2004	73.784
2005	72.716
2006	70.594
2007	68.984
2008	67.642
2009	66.163
2010	64.313
2011	65.657
2012	66.824
2013	67.777
2014	68.759
2015	70.03
2016	67.249
2017	64.682
2018	62.425
2019	60.517
2020	59.003
2021	57.458
2022	56.413
2023	55.788
2024	55.404
2025	55.063
2026	54.695
2027	54.289
2028	53.809
2029	53.288
2030	52.752
2031	52.105
2032	51.511
2033	50.945
2034	50.382
2035	49.826
2036	49.35
2037	48.888
2038	48.471
2039	48.14
2040	47.913
2041	47.809
2042	47.778
2043	47.826
2044	47.953
2045	48.155
2046	48.416
2047	48.738
2048	49.101
2049	49.475
2050	49.842
2051	50.187
2052	50.521
2053	50.837
2054	51.124
2055	51.378
2056	51.566
2057	51.712
2058	51.845
2059	52.009
2060	52.234
2061	52.465
2062	52.749
2063	53.069
2064	53.398
2065	53.72
2066	53.994
2067	54.266
2068	54.544
2069	54.839
2070	55.157
2071	55.448
2072	55.752
2073	56.09
2074	56.485
2075	56.951
2076	57.428
2077	57.979
2078	58.59
2079	59.234
2080	59.896
2081	60.519
2082	61.161
2083	61.821
2084	62.503
2085	63.211
2086	63.847
2087	64.504
2088	65.178
2089	65.85
2090	66.504
2091	67.029
2092	67.545
2093	68.054
2094	68.559
2095	69.069
2096	69.46
2097	69.863
2098	70.285
2099	70.731
2100	71.205