Year	%
2000	98.59183
2001	99.64538
2002	98.42303
2003	99.01503
2004	99.08121
2005	99.96268
2006	99.00539
2007	99.85397
2008	99.60064
2009	99.33378
2010	98.17665
2011	98.9042
2012	99.70495
2013	99.72082
2014	99.21263
2015	99.69497
2016	99.40581
2017	99.76481