Year	2015 = 100
1980	30.7962493561
1981	37.1330840842
1982	39.6991606325
1983	42.0347938656
1984	36.7134156031
1985	38.221980288
1986	40.0860481692
1987	41.6563390337
1988	43.980723617
1989	35.8892704574
1990	37.8974177638
1991	37.3369068613
1992	51.2078341753
1993	55.6762864896
1994	55.0901010724
1995	53.3283822773
1996	57.7066551698
1997	56.2293314615
1998	53.0089225537
1999	52.5124450043
2000	63.6521340196
2001	65.9275110555
2002	67.4418124462
2003	69.0118098362
2004	84.7047464192
2005	98.2472196512
2006	98.7843632061
2007	103.0571692864
2008	106.3291079383
2009	101.239359817
2010	89.1746340828
2011	88.4902089104
2012	95.6422416174
2013	100.199947266
2014	101.0158196966
2015	100
2016	90.237416833
2017	99.3900291743
2018	97.8482546314
2019	99.8516776064
2020	91.2542783241
2021	107.3795410289