Year	Number
1950	85.344
1951	86.619
1952	87.65
1953	88.876
1954	90.465
1955	92.393
1956	95.473
1957	98.779
1958	102.021
1959	104.889
1960	107.155
1961	108.405
1962	109.152
1963	109.511
1964	109.581
1965	109.373
1966	110.602
1967	111.163
1968	111.054
1969	110.276
1970	108.854
1971	107.799
1972	106.987
1973	106.374
1974	105.922
1975	105.498
1976	99.631
1977	93.94
1978	88.361
1979	83.101
1980	78.456
1981	74.392
1982	71.434
1983	69.276
1984	67.546
1985	66.083
1986	65.67
1987	64.81
1988	63.864
1989	63.252
1990	63.122
1991	63.237
1992	63.692
1993	64.338
1994	64.901
1995	65.209
1996	65.372
1997	65.395
1998	65.22
1999	64.838
2000	64.248
2001	62.336
2002	60.383
2003	58.557
2004	57.018
2005	55.847
2006	55.235
2007	54.899
2008	54.666
2009	54.339
2010	53.845
2011	53.351
2012	52.724
2013	52.023
2014	51.349
2015	50.756
2016	50.358
2017	49.99
2018	49.66
2019	49.364
2020	49.106
2021	48.952
2022	48.834
2023	48.767
2024	48.776
2025	48.874
2026	49.135
2027	49.46
2028	49.813
2029	50.14
2030	50.411
2031	50.676
2032	50.878
2033	51.044
2034	51.214
2035	51.402
2036	51.646
2037	51.905
2038	52.139
2039	52.29
2040	52.329
2041	52.296
2042	52.157
2043	51.977
2044	51.844
2045	51.813
2046	51.909
2047	52.079
2048	52.306
2049	52.567
2050	52.847
2051	53.203
2052	53.586
2053	53.964
2054	54.286
2055	54.514
2056	54.712
2057	54.821
2058	54.889
2059	54.99
2060	55.176
2061	55.49
2062	55.874
2063	56.313
2064	56.77
2065	57.214
2066	57.674
2067	58.134
2068	58.588
2069	59.037
2070	59.487
2071	59.957
2072	60.414
2073	60.871
2074	61.335
2075	61.8
2076	62.256
2077	62.718
2078	63.182
2079	63.638
2080	64.079
2081	64.511
2082	64.943
2083	65.368
2084	65.789
2085	66.214
2086	66.621
2087	67.029
2088	67.449
2089	67.884
2090	68.32
2091	68.704
2092	69.103
2093	69.507
2094	69.913
2095	70.315
2096	70.665
2097	71.027
2098	71.404
2099	71.792
2100	72.183