Year	%
1993	99.89577
1994	100
1995	99.31104
1998	99.79768
1999	97.17497
2000	99.6348
2001	99.79431
2002	99.80084
2008	99.43431
2009	99.42064
2010	99.98133
2011	99.83864
2012	99.73209
2013	99.72762
2014	99.89622
2015	99.25425
2016	99.96649