Year	Number
1950	54.914
1951	54.222
1952	52.951
1953	51.794
1954	51.087
1955	50.846
1956	50.678
1957	51.186
1958	51.985
1959	52.624
1960	52.884
1961	53.172
1962	52.947
1963	52.427
1964	52.027
1965	51.962
1966	52.16
1967	52.957
1968	54.132
1969	55.315
1970	56.312
1971	56.936
1972	56.995
1973	56.716
1974	56.489
1975	56.52
1976	56.243
1977	56.328
1978	56.533
1979	56.486
1980	56.033
1981	55.537
1982	54.802
1983	54.013
1984	53.33
1985	52.731
1986	52.123
1987	51.333
1988	50.47
1989	49.659
1990	49.003
1991	48.544
1992	48.183
1993	47.883
1994	47.567
1995	47.209
1996	47.249
1997	47.19
1998	47.112
1999	47.107
2000	47.205
2001	47.684
2002	48.256
2003	48.862
2004	49.387
2005	49.77
2006	50.004
2007	50.112
2008	50.184
2009	50.353
2010	50.682
2011	51.424
2012	52.456
2013	53.73
2014	55.055
2015	56.247
2016	56.739
2017	56.858
2018	56.768
2019	56.716
2020	56.826
2021	56.847
2022	57.128
2023	57.553
2024	57.936
2025	58.2
2026	58.58
2027	58.848
2028	59.112
2029	59.534
2030	60.191
2031	60.998
2032	62.059
2033	63.315
2034	64.674
2035	66.106
2036	67.534
2037	69.032
2038	70.621
2039	72.286
2040	73.972
2041	75.481
2042	77.01
2043	78.539
2044	80.1
2045	81.753
2046	83.349
2047	85.04
2048	86.736
2049	88.239
2050	89.384
2051	89.879
2052	90.02
2053	89.927
2054	89.83
2055	89.893
2056	89.854
2057	90.02
2058	90.299
2059	90.514
2060	90.549
2061	90.184
2062	89.718
2063	89.229
2064	88.838
2065	88.624
2066	88.343
2067	88.281
2068	88.4
2069	88.638
2070	88.97
2071	89.153
2072	89.447
2073	89.894
2074	90.503
2075	91.234
2076	91.827
2077	92.632
2078	93.47
2079	94.177
2080	94.724
2081	94.878
2082	94.815
2083	94.694
2084	94.646
2085	94.654
2086	94.296
2087	94.07
2088	93.871
2089	93.641
2090	93.429
2091	92.977
2092	92.562
2093	92.256
2094	92.09
2095	92.031
2096	91.652
2097	91.436
2098	91.335
2099	91.307
2100	91.364