Year	Percent
1995	80.66864
1996	84.63925
1997	85.84656
1998	90.99065
1999	89.2272
2000	90.21924
2001	94.97114
2002	96.98567
2003	96.86685
2005	104.27831
2006	101.11364
2007	103.79227
2008	99.39417
2009	93.97154
2010	91.39794
2011	92.96248
2012	92.31491
2013	94.08124
2014	95.6879
2015	100.60049
2016	98.48666