Year	2015 = 100
1980	40.6940239757
1981	42.3267376221
1982	42.1317984788
1983	29.5686728319
1984	49.2784248241
1985	28.2403339081
1986	32.5890498314
1987	34.4934423556
1988	42.2718513018
1989	51.6307279491
1990	63.1585975244
1991	75.2599926742
1992	68.5376820052
1993	88.8338244292
1994	77.3172467193
1995	79.5022880408
1996	64.3121857847
1997	56.3402067923
1998	40.9365007723
1999	69.0175696357
2000	49.5539800124
2001	37.9639568472
2002	82.1704988538
2003	99.1243432644
2004	84.5093497828
2005	56.3583978601
2006	53.8952601479
2007	47.9125473234
2008	52.4942093709
2009	44.3138805804
2010	46.6357832999
2011	81.3061409211
2012	88.0345743312
2013	96.9210779216
2014	107.0843455553
2015	100
2016	121.2304390105
2017	106.4459635337
2018	73.204903692
2019	114.1856392656
2020	86.978136847
2021	92.0851929705
