Year	%
1999	0.2107652
2000	0.1417257
2001	0.2053388
2002	1.29717
2003	1.110788
2004	1.004139
2005	0.70735
2006	0.8269247
2007	0.2761227
2008	1.09966
2009	0.7653575
2010	1.345702
2011	0.5257727
2012	0.5257727
2013	2.943086
2014	0
2015	2.191846
2016	2.139839
2017	3.263694
2018	3.240525
2019	2.936736
2020	2.963122
2021	2.764053