Year	%
1989	27.87
1991	28.92
1993	43.12
1995	12.06
1999	27.87
2000	7.96
2001	5.1
2003	5.77
2004	2.61
2005	3.09
2006	2.89
2007	2.59
2008	2.29
2009	2.77
2010	2.66
2011	2.68
2013	5.25
2014	7.12
2015	8.79
2021	10.8