Year	%
2001	16.4078012980366
2002	14.924940080107003
2003	15.174277202772224
2004	17.468935469364066
2005	18.002896725357935
2006	16.838079724285667
2007	17.619667780241144
2008	15.971570204728428
2009	20.052060966265802
2010	20.12041804441661
2011	19.714822184479345
2012	18.897836589566438
2013	19.720240578639533
2014	19.39649838988274
2015	20.762102311467064
2016	20.905932630917167
2017	20.634741732254035
2018	19.432227553758015
2019	19.7805652631531
2020	21.563385523701655
2021	22.226700342439162
2022	21.389311852347554
2023	20.778729409550017