Year	Percent
1993	97.74565
1994	104.17768
1996	107.57716
1999	99.67787
2000	99.95223
2001	99.71039
2002	104.44922
2003	98.32754
2004	100.01021
2005	98.61651
2006	93.19357
2007	95.01145
2008	98.37384
2009	103.81361
2010	106.60747
2011	103.19261
2012	100.44461
2013	100.2066
2014	98.26003
2015	96.08107