Year	%
1994	89.39845
1996	74.48953
1997	80.00217
1998	39.83299
2000	50.83771
2001	41.98935
2003	52.19686
2006	40.99368
2008	44.21152
2009	45.73929
2010	42.33157
2011	33.43917
2012	34.59209
2013	27.85769
2014	29.12224
2015	29.92361
2016	29.8666
2019	24.93845
2020	30.81668
2021	30.76109