Year	%
2001	10.84
2002	13.17
2005	10.95
2007	9.7
2008	9.83
2009	7.38
2010	6.77
2011	6.15
2013	5.45
2015	3.38
2016	3.38
2017	3.57
2018	3.71
2021	4.14