Year	%
1996	33.52601
1999	28.96656
2001	5.572381
2002	2.242444
2003	2.116763
2006	7.227375
2007	9.238777
2008	8.734053
2009	7.75912
2010	7.591324
2011	8.517836
2012	8.520747
2013	9.375
2014	9.375
2015	9.659244
2016	8.118557
2017	8.376964
2018	6.833713
2019	6.712142
2020	1.042572
2021	0.9362809