Year	2015 = 100
1980	87.3670979282
1981	76.0200846035
1982	79.4957483133
1983	55.0996431724
1984	40.9034087208
1985	33.7195658161
1986	32.0905259336
1987	25.3134636272
1988	22.5723094435
1989	23.5053393357
1990	21.0425242347
2000	62.7861568963
2001	70.7224905604
2002	71.7723779474
2003	71.2943438009
2004	78.967310005
2005	78.2310878798
2006	80.3753615264
2007	87.4802176752
2008	91.9836301847
2009	77.5949969293
2010	63.7211636359
2011	78.0631645452
2012	74.9189280499
2013	106.4027575464
2014	99.8480530425
2015	100
2016	92.6645778261
2017	73.1266874694
2018	73.9264473018
2019	60.512375801
2020	46.2923945199
2021	47.6579803917