Year	%
2001	32.59845
2002	40.81491
2004	44.14903
2005	38.03212
2006	31.98942
2007	42.56093
2008	35.03132
2009	33.16667
2010	31.90027
2011	30.76474
2012	30.00097
2013	41.41309
2014	33.97916
2015	28.42658
2016	23.25956
2017	33.47646
2018	30.97962
2019	31.73887
2020	24.15366
2021	32.5108