Year	%
2000	18.07
2001	16.99
2004	14.12
2005	12.57
2006	9.86
2007	7.32
2008	14.23
2014	4.34
2015	4.22
2016	3.35
2017	2.77
2018	0.67
2019	1.19
2020	1.15
2021	0.82