Year	2015 = 100
1980	7.3931563726
1981	7.4009660436
1982	5.6502978539
1983	4.369511609
1984	5.8741751242
1985	4.4502115558
1986	2.406680657
1987	2.583699894
1988	2.8765626031
1989	3.4974315437
1990	4.5933888792
1991	3.966011878
1992	4.862822571
1993	4.1404278914
1994	4.0948714699
1995	4.5621510399
1996	5.7713706756
1997	7.0538974924
1998	6.4511098887
1999	9.2521484562
2000	14.8696159141
2001	13.9423490255
2002	14.0795793948
2003	17.1627738654
2004	23.9627310504
2005	33.0404558517
2006	43.6713206448
2007	53.8911419984
2008	86.3232158568
2009	61.570448299
2010	96.1439533732
2011	146.7826291309
2012	170.5273305719
2013	175.5202075277
2014	168.7696960237
2015	100
2016	73.4998612152
2017	86.5681310255
2018	108.8924481677
2019	93.5410369511
2020	66.0554638131
2021	111.8405592289