Year	2015 = 100
1980	15.9592439554
1981	12.9381109714
1982	12.5962097378
1983	13.1414383296
1984	14.5989379412
1985	15.3577061994
1986	18.539923999
1987	20.8660216673
1988	21.7808216411
1989	23.8147350711
1990	29.6315215144
1991	31.6737306336
1992	32.8158217434
1993	33.2993974649
1994	32.3127639973
1995	37.5985344487
1996	37.28469355
1997	40.1648612569
1998	43.7665527647
1999	44.9347918501
2000	44.5570964483
2001	46.8146559274
2002	47.0940301698
2003	50.3185626319
2004	54.1498379879
2005	60.1890199096
2006	62.6455609105
2007	68.5986320995
2008	70.6779054023
2009	70.7529146453
2010	72.5548194435
2011	82.3298908495
2012	90.3505322863
2013	95.3557808204
2014	100.1280647145
2015	100
2016	101.9037831733
2017	99.8065257353
2018	98.0510450651
2019	99.3016080601
2020	97.0823871109
2021	90.8893291725