Year	%
2007	9.50262123548539
2008	7.19359013817042
2009	37.2532872694237
2010	20.1430996066243
2011	5.77162860434222
2012	3.70522490674831
2013	3.39339117622511
2014	2.96313378497792
2015	4.8608855617133
2016	12.8150641172053
2017	14.8096296761859
2018	11.6745261102872
2019	6.03472340059304
2020	6.02451546227794
2021	4.93379152270912
2022	4.01492747084237