Year	%
1994	17.69435
1999	27.36196
2001	32.76093
2002	31.50498
2003	34.21786
2004	30.88479
2005	30.45942
2006	30.65911
2007	32.55826
2008	18.2378
2009	18.23461
2010	22.5483
2012	15.61704
2013	19.60461
2014	19.51706
2015	18.78371
2016	19.74432
2017	19.93881
2018	15.11058
2019	13.83767
2020	13.62633
2021	8.455993
