Year	%
1993	96.79065
1997	63.22052
2000	80.61013
2001	80.04997
2002	79.01889
2003	75.36709
2005	56.72075
2006	45.71772
2007	45.1335
2008	41.14647
2009	23.58095
2010	55.63233
2011	44.4557
2012	17.34597
2014	16.04082
2015	16.24065
2016	16.19197
2017	16.6771
2019	16.26203
2020	16.2636
2021	15.50533