Year	2015 = 100
1980	7.8744087248
1981	6.2113254618
1982	7.4132928734
1983	10.0484257195
1984	11.7243420448
1985	13.0961835635
1986	16.2758159178
1987	29.5953446675
1988	28.0747364566
1989	28.9441683998
1990	27.8624133411
1991	28.7772761848
1992	27.2632250125
1993	27.4329273857
1994	28.8487791179
1995	33.9173642234
1996	40.1623621589
1997	44.9918208938
1998	32.585902354
1999	41.8644926274
2000	42.3553395511
2001	39.7427672045
2002	38.3968966034
2003	44.4928987552
2004	55.6254970407
2005	70.0699186655
2006	71.7115799871
2007	81.9309021064
2008	78.3910565942
2009	54.716955185
2010	74.3116594568
2011	93.1329473079
2012	94.5473306398
2013	125.2607382314
2014	134.7507107219
2015	100
2016	116.6319875759
2017	92.9368935475
2018	104.1126230376
2019	82.9037765555
2020	65.3486045866
2021	114.0925702282
