Year	%
2001	12.054838315797292
2002	6.015059311725724
2003	5.644325586806031
2004	7.037632985870514
2005	9.298653439798583
2006	12.609933558527786
2007	19.503223375844566
2008	13.522679527826309
2009	8.687727916225176
2010	11.006491820385449
2011	14.280907867994808
2012	14.921831784113598
2013	14.97009923820016
2014	13.778774327864976
2015	14.150313735935278
2016	10.833202433669262
2017	8.484907640334193
2018	11.749701254505927
2019	16.26097126793922
2020	8.093721393432078
2021	11.533440541100019