Year	Percent
1995	93.74826
1996	93.08266
1997	95.89361
2001	93.35799
2002	94.70775
2003	95.59525
2004	94.78372
2005	93.32511
2006	91.89272
2007	96.6538
2008	96.29589
2009	97.48772
2011	98.03553
2012	103.32618
2013	100.47532
2014	106.32212
2015	104.76925
2016	98.55625