Year	2015 = 100
1986	24.4058410119
1987	21.1965231502
1988	22.6967968973
1989	23.212234785
1990	26.1799967015
1991	37.2357818649
1992	34.175901582
1993	37.7890406306
1994	34.2220377225
1995	30.9960951146
1996	23.2845573394
1997	17.8205017836
1998	21.1687637631
1999	44.5447559929
2000	35.5847333288
2001	35.0111837888
2002	38.2160911292
2003	46.3789361281
2004	43.2821433956
2005	46.194439036
2006	60.6406267587
2007	61.5924068172
2008	75.7491449029
2009	77.8228896118
2010	79.4060225492
2011	82.985296938
2012	81.3177645214
2013	96.0249691455
2014	109.5483794706
2015	100
2016	100.003014703
2017	100.6723313328
2018	94.3694879259
2019	95.8075695194
2020	92.2565637495
2021	95.3118597723