Year	2015 = 100
1980	4.1374485316
1981	3.4192601312
1982	2.5825200792
1983	2.6594516058
1984	3.6205420081
1985	3.2401208246
1986	3.7942961543
1987	7.1337300061
1988	6.5147581406
1989	4.3477868523
1990	6.9668911041
1991	4.8687000828
1992	2.9212108599
1993	3.1905286382
1994	4.901093756
1995	12.7034199742
1996	10.6926229449
1997	10.6814574703
1998	14.6644088588
1999	11.7168603379
2000	9.6032306282
2001	10.2465092355
2002	11.3374178543
2003	14.7285069757
2004	22.0225052497
2005	21.5038848539
2006	27.0177014785
2007	28.6258979968
2008	31.8495968351
2009	41.3762773078
2010	73.1053448308
2011	110.2297407848
2012	100.2689774629
2013	108.2357157978
2014	112.696676288
2015	100
2016	115.2788816731
2017	132.0967564398
2018	149.5004294272
2019	148.8069291504
2020	200.9058796595
2021	231.716581537