Year	2015 = 100
1980	40.755467529
1981	32.5321190317
1982	31.2848812413
1983	28.7231855486
1984	26.0862021546
1985	21.261841628
1986	23.0267302146
1987	24.3958357366
1988	27.2923658964
1989	37.4718991056
1990	58.9502407107
1991	54.0004497748
1992	54.18741764
1993	55.4473162756
1994	43.7622645848
1995	40.1733197218
1996	39.5769948912
1997	41.5419098554
1998	41.175490422
1999	39.4495982234
2000	45.1679098167
2001	43.0980219697
2002	44.4040226371
2003	56.2457524436
2004	61.0311853053
2005	70.5054315848
2006	88.1284320825
2007	104.2364717968
2008	129.1458471736
2009	87.5311462323
2010	95.5704920744
2011	111.306444826
2012	105.3182346099
2013	111.2609812019
2014	126.7713337943
2015	100
2016	81.4312779168
2017	79.6670278058
2018	93.7106043345
2019	100.630904732
2020	77.6166880836
2021	101.0302401848