Year	2015 = 100
1980	32.2454734556
1981	63.4500464037
1982	80.9251660006
1983	90.7217988797
1984	84.86785063
1985	94.111693369
1986	143.7363591304
1987	158.8735405576
1988	179.4893025102
1989	149.2877623483
1990	182.1632179126
1991	179.7517951737
1992	176.9689767505
1993	161.4236574519
1994	156.0658962805
1995	149.2734434444
1996	169.8424414847
1997	173.4295455175
1998	205.2881399907
1999	184.4470556762
2000	177.3612260357
2001	145.6423157126
2002	142.3322630752
2003	132.415345391
2004	139.0056601877
2005	138.3039290248
2006	137.2778127105
2007	121.9191685144
2008	132.3822448734
2009	110.8404223528
2010	121.8893780361
2011	95.9418754713
2012	112.0452815193
2013	117.4836979919
2014	119.1770547054
2015	100
2016	58.7104034891
2017	38.8269173532
2018	33.6168945005
2019	61.4213365915
2020	47.0888087097
2021	56.7740226991