Year	%
1995	99.05708
2000	96.90948
2006	98.9542
2007	98.07733
2008	98.50327
2009	97.8637
2010	99.10345
2011	99.50483
2012	100
2013	99.78225
2014	99.05168
2015	98.28624
2016	97.95866
2017	98.57902