Year	%
1995	41.51
2006	13.97
2007	9.21
2008	9.19
2010	9.29
2011	9.14
2013	9.14
2015	9.07
2016	9.07
2017	9.18
2018	9.62
2019	10.57
2020	9.67
2021	9.23