Year	2015 = 100
1980	30.0263621354
1981	29.8579181997
1982	26.4412256657
1983	28.1449009234
1984	27.0456452173
1985	30.2970915652
1986	26.5416582197
1987	30.4210390097
1988	40.2453434712
1989	39.5189149561
1990	43.6407701703
1991	38.3710314022
1992	39.8466664692
1993	39.9356303634
1994	38.2867030949
1995	36.9400327155
1996	41.0078541279
1997	44.3244701389
1998	48.1862757122
1999	44.5592509202
2000	51.4562649375
2001	54.0255299662
2002	61.6941776404
2003	62.5720297017
2004	73.5184017282
2005	77.5976024826
2006	77.4909730094
2007	80.579450996
2008	80.8625490094
2009	65.4334323231
2010	78.1606926607
2011	86.0099296472
2012	97.6580145149
2013	94.978793417
2014	97.2526027472
2015	100
2016	100.6962685111
2017	103.8106015728
2018	105.0093416431
2019	108.925232562
2020	90.3059364341
2021	111.3089278265