Year	Number
1950	101.606
1951	101.248
1952	100.955
1953	100.345
1954	99.334
1955	98.012
1956	98.603
1957	98.475
1958	97.982
1959	97.501
1960	97.207
1961	98.03
1962	98.798
1963	99.429
1964	99.711
1965	99.537
1966	100.503
1967	100.749
1968	100.483
1969	99.975
1970	99.359
1971	99.573
1972	99.712
1973	99.705
1974	99.433
1975	98.836
1976	98.812
1977	98.63
1978	98.354
1979	98.053
1980	97.693
1981	98.956
1982	99.559
1983	99.724
1984	99.649
1985	99.406
1986	99.47
1987	99.639
1988	99.862
1989	100.025
1990	100.024
1991	100.624
1992	100.609
1993	100.25
1994	99.827
1995	99.46
1996	99.824
1997	100.226
1998	100.701
1999	101.201
2000	101.644
2001	103.04
2002	104.082
2003	104.921
2004	105.684
2005	106.392
2006	107.546
2007	108.507
2008	109.304
2009	109.949
2010	110.449
2011	111.264
2012	111.856
2013	112.31
2014	112.683
2015	112.973
2016	113.332
2017	113.549
2018	113.651
2019	113.659
2020	113.572
2021	113.546
2022	113.379
2023	113.104
2024	112.747
2025	112.309
2026	111.95
2027	111.472
2028	110.876
2029	110.154
2030	109.301
2031	108.449
2032	107.472
2033	106.413
2034	105.312
2035	104.184
2036	103.142
2037	102.049
2038	100.922
2039	99.774
2040	98.608
2041	97.531
2042	96.413
2043	95.263
2044	94.083
2045	92.872
2046	91.716
2047	90.522
2048	89.305
2049	88.075
2050	86.834
2051	85.667
2052	84.477
2053	83.276
2054	82.078
2055	80.888
2056	79.766
2057	78.646
2058	77.536
2059	76.441
2060	75.366
2061	74.371
2062	73.384
2063	72.41
2064	71.457
2065	70.528
2066	69.674
2067	68.829
2068	68.002
2069	67.197
2070	66.418
2071	65.703
2072	65.001
2073	64.316
2074	63.652
2075	63.011
2076	62.424
2077	61.848
2078	61.287
2079	60.746
2080	60.226
2081	59.749
2082	59.282
2083	58.828
2084	58.396
2085	57.989
2086	57.615
2087	57.259
2088	56.92
2089	56.6
2090	56.297
2091	56.029
2092	55.766
2093	55.515
2094	55.285
2095	55.082
2096	54.896
2097	54.728
2098	54.579
2099	54.451
2100	54.34