Year	%
1994	86.52795
1996	72.91097
1997	78.59528
1998	38.52467
2000	50.42595
2001	41.06271
2003	52.19603
2006	40.37744
2008	43.82375
2009	45.98505
2010	42.57177
2011	33.87047
2012	35.5719
2013	27.93165
2014	29.15048
2015	29.887
2016	30.41324
2019	24.67983
2020	31.32363
2021	31.31882