Year	%
1995	100
1996	99.56562
1999	99.31577
2000	99.47344
2001	99.70995
2002	99.80016
2003	99.71286
2004	99.39943
2005	99.14198
2007	98.46685
2008	99.23078
2009	98.80247
2010	98.76816
2011	99.00232
2012	97.89605
2013	98.34138
2014	98.37766
2015	98.89527
2016	98.9753