Year	2015 = 100
1980	44.8443579498
1981	45.4210214387
1982	44.5942090046
1983	41.2824186232
1984	41.5141985416
1985	40.2760438286
1986	26.2233283925
1987	26.5772932739
1988	24.6759961883
1989	32.9703324821
1990	45.4837650659
1991	46.2893189662
1992	42.9719559604
1993	47.3629780486
1994	48.5086684641
1995	53.072266244
1996	62.273295045
1997	59.1530192531
1998	37.4704963008
1999	46.8188056873
2000	50.8173863526
2001	49.3652151418
2002	47.1238310778
2003	59.8920823689
2004	72.9093415871
2005	99.067415384
2006	106.597523091
2007	123.3988574661
2008	187.1020066467
2009	104.7585299962
2010	169.8906141276
2011	191.0057448573
2012	185.6701965499
2013	190.0174195648
2014	162.1534883306
2015	100
2016	84.0307705474
2017	101.0091000498
2018	121.8772247931
2019	123.3249959196
2020	90.3631554496
2021	116.6185729482