Year	2000 = 100
1987	160.3773585
1988	127.7777778
1989	120
1990	107.4468085
1991	111.4583333
1992	98
1993	100
1994	107.8431373
1995	97.97979798
1996	95.28301887
1997	98.68421053
1998	98.4
1999	99.08256881
2000	100
2001	98.6534682
2002	99.78991698
2003	101.0566384
2004	101.9061806
2005	100.6181814
2006	114.1333946
2007	117.013572
2008	118.0878687
2009	132.9852786
2010	145.8442795
2011	154.3063542
2012	153.0895272
2013	143.6371532
2014	140.5383424
2015	158.9488331
2016	170.4407302
2017	164.5777805
2018	155.3772737