Year	2000 = 100
1986	22.97420585
1987	28.26916722
1988	40.27451187
1989	46.28580459
1990	64.21156858
1991	57.58978387
1992	59.3849823
1993	63.45572706
1994	65.25164386
1995	61.85242744
1996	78.81846044
1997	81.96062542
1998	58.80760655
1999	77.22140532
2000	100
2001	91.87190401
2002	78.13678065
2003	92.86734708
2004	139.0305257
2005	166.0895876
2006	182.9430919
2007	198.5739265
2008	232.845709
2009	94.85176428
2010	54.00779566
2011	229.1928459
2012	79.23611423
2013	53.32612323
2014	52.28737308
2015	48.43540582
2016	44.0943552
2017	43.54468841
2018	48.42025997