Year	%
1995	73.23029
1998	71.4004
2000	70.92244
2001	68.35522
2002	69.16764
2003	69.31394
2004	69.31394
2005	70.95168
2007	61.41367
2008	61.27334
2009	61.22823
2010	59.58727
2011	60.10301
2012	61.18243
2013	60.70667
2015	49.69549
2016	58.37067
2019	56.80963