Year	Number
1950	96.703
1951	98.279
1952	100.582
1953	102.48
1954	103.577
1955	104.017
1956	105.287
1957	105.377
1958	105.135
1959	105.38
1960	106.467
1961	107.282
1962	109.317
1963	112.004
1964	114.353
1965	115.786
1966	116.804
1967	116.858
1968	116.043
1969	114.899
1970	113.78
1971	113.154
1972	112.876
1973	112.489
1974	111.606
1975	110.137
1976	107.542
1977	104.779
1978	101.811
1979	98.845
1980	96.082
1981	93.684
1982	91.406
1983	89.114
1984	86.868
1985	84.799
1986	83.432
1987	82.345
1988	81.271
1989	80.193
1990	79.274
1991	79.074
1992	79.349
1993	79.925
1994	80.634
1995	81.372
1996	81.177
1997	81.155
1998	81.339
1999	81.786
2000	82.465
2001	81.489
2002	80.946
2003	80.627
2004	80.3
2005	79.874
2006	79.125
2007	78.416
2008	77.74
2009	77.096
2010	76.45
2011	76.354
2012	75.83
2013	75.103
2014	74.455
2015	73.987
2016	73.186
2017	72.747
2018	72.452
2019	72.028
2020	71.35
2021	70.487
2022	69.526
2023	68.532
2024	67.642
2025	66.933
2026	66.398
2027	65.989
2028	65.757
2029	65.738
2030	65.931
2031	65.992
2032	66.263
2033	66.69
2034	67.163
2035	67.62
2036	67.985
2037	68.324
2038	68.622
2039	68.886
2040	69.096
2041	69.088
2042	69.032
2043	68.91
2044	68.697
2045	68.363
2046	67.771
2047	67.127
2048	66.414
2049	65.631
2050	64.775
2051	63.72
2052	62.657
2053	61.631
2054	60.727
2055	59.99
2056	59.304
2057	58.806
2058	58.469
2059	58.268
2060	58.171
2061	58.092
2062	58.145
2063	58.316
2064	58.581
2065	58.913
2066	59.193
2067	59.532
2068	59.963
2069	60.544
2070	61.296
2071	62.035
2072	62.935
2073	63.936
2074	64.929
2075	65.837
2076	66.454
2077	67.006
2078	67.482
2079	67.89
2080	68.235
2081	68.277
2082	68.258
2083	68.224
2084	68.213
2085	68.235
2086	68.045
2087	67.927
2088	67.877
2089	67.901
2090	68.004
2091	67.963
2092	68.028
2093	68.21
2094	68.518
2095	68.955
2096	69.274
2097	69.714
2098	70.272
2099	70.935
2100	71.688