Year	Number
1950	113.737
1951	115.157
1952	116.145
1953	117.025
1954	117.925
1955	118.82
1956	116.928
1957	115.753
1958	115.268
1959	115.324
1960	115.666
1961	116.825
1962	117.971
1963	119.048
1964	120.022
1965	120.894
1966	120.855
1967	120.631
1968	120.315
1969	120.027
1970	119.844
1971	118.557
1972	117.289
1973	115.878
1974	114.167
1975	112.146
1976	109.702
1977	106.875
1978	103.802
1979	100.748
1980	97.862
1981	94.711
1982	91.878
1983	89.203
1984	86.496
1985	83.79
1986	82.2
1987	80.894
1988	79.939
1989	79.362
1990	79.035
1991	76.867
1992	74.954
1993	73.182
1994	71.448
1995	69.747
1996	68.081
1997	66.422
1998	64.846
1999	63.453
2000	62.273
2001	60.734
2002	59.339
2003	58.054
2004	56.79
2005	55.529
2006	54.339
2007	53.202
2008	52.072
2009	50.938
2010	49.799
2011	49.102
2012	48.358
2013	47.647
2014	47.098
2015	46.759
2016	46.274
2017	46.022
2018	45.948
2019	45.93
2020	45.91
2021	45.95
2022	45.966
2023	46.011
2024	46.185
2025	46.536
2026	46.946
2027	47.509
2028	48.151
2029	48.747
2030	49.224
2031	49.53
2032	49.736
2033	49.878
2034	50.021
2035	50.21
2036	50.343
2037	50.492
2038	50.667
2039	50.888
2040	51.156
2041	51.422
2042	51.728
2043	52.082
2044	52.481
2045	52.922
2046	53.366
2047	53.848
2048	54.359
2049	54.889
2050	55.418
2051	55.896
2052	56.368
2053	56.855
2054	57.381
2055	57.946
2056	58.505
2057	59.111
2058	59.752
2059	60.426
2060	61.118
2061	61.779
2062	62.46
2063	63.164
2064	63.872
2065	64.556
2066	65.097
2067	65.607
2068	66.126
2069	66.705
2070	67.366
2071	67.992
2072	68.703
2073	69.492
2074	70.313
2075	71.11
2076	71.751
2077	72.387
2078	73.036
2079	73.708
2080	74.412
2081	74.977
2082	75.576
2083	76.203
2084	76.85
2085	77.504
2086	77.966
2087	78.44
2088	78.939
2089	79.46
2090	79.974
2091	80.284
2092	80.627
2093	80.998
2094	81.406
2095	81.825
2096	82.041
2097	82.283
2098	82.593
2099	82.953
2100	83.373
