Year	2015 = 100
1980	4.0406385299
1981	4.4635416783
1982	4.243611882
1983	4.3231199772
1984	5.1424115783
1985	5.346680961
1986	6.3661378419
1987	8.7239120014
1988	11.5015472339
1989	12.9881884278
1990	14.8485914782
1991	18.0436757143
1992	22.2138456595
1993	24.9576579955
1994	29.1321480544
1995	35.0899186571
1996	36.0226813997
1997	38.1725813987
1998	33.4232226864
1999	32.3408456631
2000	38.3059099179
2001	36.1522516647
2002	37.2190559183
2003	41.7432771841
2004	48.8381035698
2005	53.7179708888
2006	60.0879951794
2007	66.240555134
2008	70.3262928664
2009	63.0385730109
2010	78.9893980626
2011	91.4248398868
2012	99.0544043639
2013	111.3654642938
2014	107.5155809135
2015	100
2016	97.8076306179
2017	105.3944876827
2018	112.142003615
2019	103.4117848941
2020	101.9683203751
2021	127.4867350158
