Year	%
2003	29.54942
2004	26.11741
2006	28.4593
2007	27.65217
2008	50.19707
2009	26.80965
2010	27.69231
2011	52.75291
2012	31.2031
2013	50.31446
2015	24.15556
2017	56.29187
2018	40.21557
2019	40.1333
2020	40.51681
2021	21.123