Year	%
1993	14.36959
1996	19.33828
1998	22.5924
1999	22.42324
2000	22.73537
2001	22.13373
2003	27.50731
2004	25.54888
2005	26.00391
2006	16.38317
2007	18.02379
2008	16.50549
2009	13.40009
2010	12.70296
2011	12.55464
2012	13.67469
2013	13.74172
2014	13.38161
2015	12.69756
2016	13.34904
2017	13.09431
2019	10.20968
2021	11.40815