Year	%
2000	30.747
2001	30.573
2002	31.366
2003	34.619
2004	32.374
2005	30.764
2006	27.392
2007	31.83
2008	29.152
2009	31.676
2010	34.88
2011	28.634
2012	30.404
2013	29.881
2014	27.881
2015	27.816
2016	34.316
2017	30.585
2018	30.367
2019	33.35
2020	34.532
2021	35.242
2022	35.588