Year	%
1999	11.59
2000	16.94
2001	8.36
2002	27.08
2004	5.33
2005	6.13
2006	4.32
2007	4.79
2014	3.26
2015	3.39
2016	2.98
2017	3.76
2018	1.05
2019	3.33
2020	2.83