Year	%
2000	20.664
2001	20.59
2002	21.99
2003	23.06
2004	22.764
2005	23.523
2006	24.013
2007	23.293
2008	27.068
2009	25.455
2010	26.154
2011	24.769
2012	27.349
2013	27.575
2014	27.661
2015	27.63
2016	28.429
2017	28.107
2018	28.344
2019	28.742
2020	27.108
2021	27.498
2022	26.542