Year	%
2004	28.607
2005	26.258
2006	29.413
2008	29.93
2009	34.43
2010	32.139
2011	30.155
2012	32.343
2013	36.493
2014	38.637
2017	32.629
2018	33.178
2019	33.136
2020	36.984
2021	37.36
2022	37.91
2023	37.982