Year	%
1995	65.56939
2001	52.29612
2002	52.9056
2006	57.36474
2008	55.95241
2009	56.27558
2010	55.97333
2011	56.61039
2012	56.44977
2015	54.9368
2018	54.62141
2021	55.42346