Year	%
1996	15.55
1999	14.61
2000	14.56
2001	12.89
2002	13.01
2003	13.28
2005	14.17
2006	10.09
2007	8.3
2010	5.46
2011	5.35
2012	6.22
2013	10.4
2014	11.8
2015	11.43
2016	12.76
2019	33.45
2020	15.43