Year	%
1996	96.50824
1997	51.68011
1998	46.80062
1999	50.09492
2000	44.36578
2001	42.99253
2002	41.72977
2003	38.80154
2007	40.02151
2010	33.94435
2011	26.53283
2012	37.67127
2015	32.99818
2016	18.87032
2021	35.21726