Year	Percent
2005	2.01199
2006	1.76488
2007	1.01883
2008	1.19808
2009	3.15573
2010	2.53108
2011	2.24714
2012	2.1557
2013	2.52706
2014	7.84922
2015	9.99259
2016	7.51115
2017	5.2759
2018	5.02756
2019	4.88672
2020	16.70774
2021	7.658