Year	%
2001	25.71327
2002	19.11694
2005	12.45925
2007	18.14782
2008	18.15348
2009	11.07366
2010	8.437745
2011	8.234114
2013	18.3083
2015	7.481967
2016	7.428662
2017	7.775102
2018	5.366605
2021	6.079123