Year	%
1998	14.173062769424892
1999	14.749068595222461
2000	14.758214168758869
2001	15.112376690735276
2002	15.68998109640832
2003	15.079784423544343
2004	15.786379225869686
2005	16.016387046429966
2006	16.040856031128406
2007	16.745506149479656
2008	17.07873716241917
2009	17.21615201900237
2010	17.25085259568018
2011	17.66031358557881
2012	18.28507587747881
2013	18.915147004093793
2014	19.10251524390245
2015	19.365322118141865
2016	19.88918609094385
2017	20.70172028379822
2018	21.47005617442636
2019	21.970049297739745
2020	22.194281456645246
2021	22.991508817766164
2022	23.33395557214858
2023	23.63738527814198