Year	2015 = 100
1986	161.3928540681
1987	146.5621593953
1988	198.3474557394
1989	78.7381813694
1990	74.0288458439
1991	75.5017184541
1992	68.3008121489
1993	76.8732894982
1994	84.9238680848
1995	73.2810796976
1996	91.1234295466
1997	99.7436918025
1998	89.3113158815
1999	83.33926711
2000	73.2810796976
2001	76.9556065747
2002	99.8309249403
2003	92.989051444
2004	90.5451918501
2005	79.9067888116
2006	74.079588668
2007	75.1553750703
2008	81.2146700236
2009	95.0746062031
2010	92.7175240853
2011	85.2638171082
2012	77.0367737245
2013	78.030516975
2014	91.5905653585
2015	100
2016	95.0241092371
2017	76.0059673223
2018	76.0750074061
2019	79.1740012447
2020	84.7512037178
2021	91.3365409659