Year	%
2005	0.480366744116291
2006	0.534720753421795
2007	0.629176742433281
2008	1.92252115115214
2009	9.7963666080107
2010	12.4666710113595
2011	16.1214680824703
2012	21.3116231755291
2013	22.3727039607198
2014	20.64880382204
2015	16.9137587763139
2016	12.6269750146121
2017	11.4589228987576
2018	5.45685456904851
2019	3.36383712525729
2020	3.36142776920367
2021	2.4821487470182