Year	2015 = 100
1980	14.6859700777
1981	34.9734224824
1982	36.3210841435
1983	20.5202149949
1984	18.6851012433
1985	17.8046514462
1986	17.1873245767
1987	12.5067724951
1988	17.3188860393
1989	16.6964991144
1990	11.0073091448
1991	0.7134679386
1992	1.017071317
1993	0.8990033364
1994	0.8416560317
1995	1.1364199525
1996	6.0358425143
1997	7.5516387532
1998	10.2243617674
1999	18.6560851464
2000	22.574597854
2001	22.4207966583
2002	16.7762927417
2003	16.976234298
2004	36.4030343358
2005	40.2138861968
2006	35.7023844427
2007	36.7687393897
2008	56.3937720731
2009	65.6850732546
2010	75.0469520877
2011	81.690480222
2012	100.8354822772
2013	111.2558551308
2014	102.5177255974
2015	100
2016	75.3899287656
2017	82.8911549066
2018	97.1955206411
2019	123.5237221241
2020	93.5193302519
2021	113.1583141949
