Year	Percent
1990	114.11582
1992	92.95718
1993	94.70842
1999	101.36714
2000	95.26754
2001	96.35173
2002	96.2963
2003	94.88873
2004	97.76157
2005	89.15254
2006	94.52465
2007	94.09893
2008	92.5
2009	93.60158
2010	92.61223
2011	90.86741
2012	95.49401
2013	91.47217
2014	94.71866
2015	95.72878
2016	103.29374