Year	%
2001	16.560749900888332
2002	18.123771977364825
2003	13.341575588332429
2004	16.741572887872593
2005	18.002896725357935
2006	17.617572656611785
2007	19.35570520853896
2008	15.679550101404265
2009	17.54598279304228
2010	14.687824680093726
2011	15.930275104643796
2012	18.18874492743073
2013	18.655126123724173
2014	15.650522638696188
2015	18.19101872279075
2016	20.98257082814794
2017	22.505981704848395
2018	19.151237796601972
2019	21.332758231991512
2020	18.664986665697565
2021	19.68823850966662
2022	17.46075205858267
2023	15.682594115079937