Year	%
2001	29.29099
2002	23.16868
2004	29.60063
2005	13.51247
2006	12.84861
2007	31.67952
2008	17.54978
2009	14.81646
2010	14.46546
2011	14.70623
2012	9.944364
2013	17.79728
2014	16.33419
2015	13.98456
2016	23.78117
2017	15.67463
2018	10.22202
2019	10.46762
2020	9.128272
2021	10.63158
