Year	2015 = 100
1980	44.475297222
1981	41.9988267114
1982	37.239045122
1983	39.31047177
1984	31.5362496458
1985	22.5290965039
1986	25.1025383203
1987	31.0915486504
1988	36.3538437939
1989	41.6563656507
1990	47.2521509415
1991	50.9066590308
1992	61.654810175
1993	55.9273802881
1994	59.8548604604
1995	71.4372244116
1996	75.2040509912
1997	75.5490658932
1998	77.4037869945
1999	75.695714975
2000	74.4948929099
2001	79.983960445
2002	67.65693732
2003	107.6078274409
2004	136.3694645461
2005	134.605425035
2006	136.0223242302
2007	130.7089522295
2008	113.3519368833
2009	126.1040297892
2010	138.8561226951
2011	138.1476730603
2012	130.921487053
2013	119.9211775349
2014	119.727983299
2015	100
2016	104.5521632948
2017	114.1868053199
2018	131.5973095636
2019	129.8188417327
2020	113.7255254935
2021	137.1420035527