Year	%
1990	1.546429
1993	0.8871341
1995	2.021322
1996	0.411336
1997	0.430135
1998	0.5412741
1999	0.4878496
2000	0.0772494
2001	0.064788
2002	0.0774984
2003	0.0697742
2004	0.0891089
2005	0.037645
2006	0.0207019
2007	0.0328192
2008	0.0319517
2009	0.0340202
2010	0.0272555
2011	0.0350712
2012	0.0276605
2013	0.0239164
2014	0
2015	0.0211038
2016	0.0212682
2017	0.0106351
2018	0.0104012
2019	0.0086927
2020	0.0141433
2021	0.0170829