Year	Number
1950	71.295
1951	72.038
1952	73.132
1953	73.983
1954	74.507
1955	74.856
1956	76.709
1957	78.003
1958	79.097
1959	80.273
1960	81.602
1961	83.539
1962	85.563
1963	87.515
1964	89.101
1965	90.196
1966	91.546
1967	92.349
1968	92.716
1969	92.807
1970	92.709
1971	93.133
1972	93.233
1973	93.13
1974	92.992
1975	92.981
1976	93.359
1977	93.681
1978	93.988
1979	94.238
1980	94.357
1981	95.184
1982	95.874
1983	96.424
1984	96.841
1985	97.139
1986	97.888
1987	98.345
1988	98.565
1989	98.562
1990	98.331
1991	98.169
1992	97.721
1993	97.018
1994	96.092
1995	94.967
1996	93.899
1997	92.718
1998	91.429
1999	90.035
2000	88.557
2001	87.427
2002	86.18
2003	84.89
2004	83.644
2005	82.493
2006	81.668
2007	80.887
2008	80.139
2009	79.388
2010	78.622
2011	78.087
2012	77.498
2013	76.884
2014	76.265
2015	75.646
2016	75.231
2017	74.732
2018	74.168
2019	73.554
2020	72.897
2021	72.285
2022	71.637
2023	70.937
2024	70.167
2025	69.327
2026	68.576
2027	67.753
2028	66.888
2029	66.018
2030	65.167
2031	64.447
2032	63.73
2033	63.024
2034	62.334
2035	61.664
2036	61.122
2037	60.583
2038	60.057
2039	59.555
2040	59.081
2041	58.725
2042	58.373
2043	58.03
2044	57.703
2045	57.393
2046	57.179
2047	56.958
2048	56.73
2049	56.496
2050	56.257
2051	56.082
2052	55.889
2053	55.676
2054	55.44
2055	55.18
2056	54.969
2057	54.723
2058	54.455
2059	54.18
2060	53.908
2061	53.7
2062	53.485
2063	53.268
2064	53.053
2065	52.845
2066	52.714
2067	52.575
2068	52.437
2069	52.313
2070	52.208
2071	52.181
2072	52.157
2073	52.14
2074	52.133
2075	52.141
2076	52.221
2077	52.297
2078	52.371
2079	52.441
2080	52.506
2081	52.615
2082	52.709
2083	52.79
2084	52.863
2085	52.93
2086	53.034
2087	53.122
2088	53.2
2089	53.275
2090	53.353
2091	53.475
2092	53.589
2093	53.703
2094	53.823
2095	53.954
2096	54.122
2097	54.292
2098	54.469
2099	54.658
2100	54.861