Year	%
2001	10.874391619380857
2002	9.837950903004847
2003	10.68712635451072
2004	10.294424155648793
2005	13.99762295453579
2006	10.53679879364857
2007	8.411111528061888
2008	6.909982258068936
2009	4.847954392713446
2010	18.868340968087765
2011	31.81448611039222
2012	23.644874708926462
2013	17.9952886789035
2014	16.975110568663794
2015	18.321395125351977
2016	19.22498043473809
2017	17.14626617911057
2018	12.41932015454105
2019	14.710902790586374
2020	11.0089245933842
2021	12.609615776954723