Year	%
1993	0
1995	0
1996	3.051955
1997	1.751408
1998	3.901079
1999	0.8882656
2000	4.164504
2001	4.862462
2002	4.211585
2003	5.654483
2004	2.687744
2005	0.3123119
2006	0.54637
2007	2.505747
2008	0.1125742
2009	7.290511
2010	0.1137189
2011	0.0935016
2013	0.2722667
2015	4.394406
2016	4.773281
2017	5.507548
2018	4.907023
2019	5.392662
2020	5.501917
2021	6.96475