Year	Percent
1995	79.64726
1996	90.81676
1998	89.43874
1999	93.36907
2000	95.66775
2001	101.40708
2002	102.95114
2003	106.30589
2004	102.32172
2005	102.63627
2006	94.97764
2007	94.75884
2008	95.46748
2009	98.77735
2010	100.65949
2011	101.43133
2012	103.76292
2013	104.1681
2014	99.88261
2015	98.59752