Year	2015 = 100
1980	4.1050348355
1981	4.0107536462
1982	3.4039428595
1983	3.2895219342
1984	2.615288682
1985	2.6356609999
1986	2.5032883151
1987	1.9036358353
1988	1.4397844446
1989	1.8290119942
1990	2.8267300773
1991	3.6470410254
1992	4.6244126337
1993	5.1003151317
1994	6.9137442413
1995	7.4479122915
1996	6.5303531427
1997	7.5797109067
1998	9.3204885912
1999	9.8399657009
2000	14.1762039768
2001	20.6322623492
2002	26.3782724298
2003	21.5104822966
2004	20.6100378038
2005	33.0432766369
2006	39.7165056792
2007	54.7099433045
2008	60.217958141
2009	58.287309257
2010	75.7829343514
2011	80.8312333787
2012	77.6714090711
2013	98.2850343051
2014	100.2091208258
2015	100
2016	103.521804575
2017	121.4370712638
2018	145.3669676346
2019	157.4697255696
2020	146.0477039879
2021	132.5152247058