Year	Percent
1995	80.53781
1996	90.86212
1998	89.67785
1999	94.34052
2000	96.56325
2001	102.73388
2002	104.38818
2003	105.13537
2004	101.8667
2005	101.64236
2006	92.99053
2007	93.87583
2008	95.71086
2009	98.73539
2010	99.26142
2011	101.30246
2012	102.4173
2013	103.52212
2014	99.56949
2015	98.94561