Year	%
2003	3.178484
2004	3.702468
2006	3.546512
2007	5.507246
2008	3.716216
2009	3.932082
2010	3.440559
2011	3.064822
2012	4.986686
2013	4.983067
2015	17.04445
2017	2.009569
2018	1.724551
2019	1.713878
2020	1.003512
2021	1.871658