Year	%
2000	34.826
2001	38.17
2002	37.169
2003	34.797
2004	41.232
2005	41.037
2006	39.628
2007	34.91
2008	36.596
2009	34.339
2010	38.373
2011	34.634
2012	31.624
2013	32.81
2014	30.845
2015	28.138
2016	31.779
2017	34.728
2018	33.496
2019	35.499
2020	35.872
2021	39.832
2022	38.275