Year	%
2002	16.73
2003	16.79
2005	19.74
2006	15.89
2007	11.51
2008	11.29
2009	10.34
2010	6.21
2011	6.07
2012	5.91
2013	4.99
2014	4.9
2015	5.33
2016	5.48
2018	4.95
2019	6.09
2020	6.77
2021	6.31