Year	Number
1950	87.391
1951	86.811
1952	87.443
1953	88.777
1954	90.068
1955	90.452
1956	90.506
1957	89.263
1958	87.325
1959	85.979
1960	86.383
1961	84.4
1962	83.491
1963	83.543
1964	83.468
1965	82.282
1966	79.274
1967	75.597
1968	71.616
1969	68.173
1970	66.006
1971	68.528
1972	72.266
1973	76.891
1974	81.042
1975	83.241
1976	84.378
1977	82.639
1978	78.394
1979	73.125
1980	68.187
1981	65.575
1982	64.107
1983	63.838
1984	63.927
1985	63.426
1986	63.412
1987	61.8
1988	58.923
1989	55.876
1990	53.547
1991	52.099
1992	51.85
1993	52.574
1994	53.383
1995	53.559
1996	54.72
1997	54.731
1998	53.947
1999	53.117
2000	52.647
2001	51.034
2002	49.956
2003	49.44
2004	49.249
2005	49.189
2006	49.502
2007	49.912
2008	50.457
2009	51.256
2010	52.384
2011	53.954
2012	55.685
2013	57.535
2014	59.402
2015	61.198
2016	62.493
2017	63.693
2018	64.815
2019	65.936
2020	67.106
2021	68.206
2022	69.354
2023	70.528
2024	71.687
2025	72.797
2026	73.729
2027	74.615
2028	75.477
2029	76.354
2030	77.285
2031	78.075
2032	78.889
2033	79.716
2034	80.502
2035	81.19
2036	81.559
2037	81.847
2038	82.065
2039	82.218
2040	82.303
2041	82.103
2042	81.875
2043	81.6
2044	81.277
2045	80.917
2046	80.335
2047	79.772
2048	79.215
2049	78.634
2050	77.968
2051	76.963
2052	75.929
2053	74.955
2054	74.217
2055	73.816
2056	73.564
2057	73.685
2058	74.094
2059	74.602
2060	75.079
2061	75.313
2062	75.582
2063	75.877
2064	76.235
2065	76.697
2066	77.005
2067	77.42
2068	77.944
2069	78.617
2070	79.451
2071	80.13
2072	80.987
2073	81.993
2074	83.098
2075	84.252
2076	85.156
2077	86.158
2078	87.192
2079	88.231
2080	89.296
2081	90.001
2082	90.691
2083	91.452
2084	92.324
2085	93.231
2086	93.722
2087	94.35
2088	95.017
2089	95.648
2090	96.315
2091	96.694
2092	97.128
2093	97.679
2094	98.385
2095	99.209
2096	99.632
2097	100.211
2098	100.857
2099	101.549
2100	102.264