Year	%
1993	19.9
1997	18.61
1998	19.31
2000	13.14
2003	7.73
2005	10.16
2006	9.94
2007	8.3
2008	8.97
2009	11.31
2010	10.99
2011	8.81
2012	9.62
2013	8.35
2014	8.36
2015	7.87
2016	13.16
2018	22.94
2019	23.18
2020	28.63
2021	24.85