Year	%
1990	5.718367
1993	7.171977
1995	11.35874
1996	3.317284
1997	2.352084
1998	2.139072
1999	1.388392
2000	1.495733
2001	2.461482
2002	2.377113
2003	2.48847
2004	1.631096
2005	1.823835
2006	2.180319
2007	1.619877
2008	1.590837
2009	1.590299
2010	1.417327
2011	1.574317
2012	3.000055
2013	1.593209
2014	1.53109
2015	1.54814
2016	1.551696
2017	1.523717
2018	1.467683
2019	1.182089
2020	1.569561
2021	1.873809