Year	2015 = 100
1980	2.9282921225
1981	3.4405296791
1982	2.3809808764
1983	4.3107680068
1984	5.4170556046
1985	2.5506900139
1986	4.0670341226
1987	4.5144536204
1988	5.9411603853
1989	6.4095382994
1990	7.7572127327
1991	7.9834200891
1992	7.5191257852
1993	5.4379273988
1994	6.1040098791
1995	10.0163454314
1996	9.8102477915
1997	9.769028262
1998	10.7995164765
1999	10.0163454314
2000	7.5431737225
2001	7.7904908919
2002	7.6256127815
2003	24.7729366481
2004	90.3119870607
2005	126.995100373
2006	138.1657162626
2007	151.1200248041
2008	171.8259130398
2009	115.414679922
2010	148.3903027569
2011	197.8537370091
2012	197.8537370091
2013	156.6342084279
2014	172.8634956696
2015	100
2016	86.1525891188
2017	108.0504867031
2018	110.0678631053
2019	112.9488123588
2020	78.5596287147
2021	105.5299940405