Year	% of GDP
1990	13.32323114582119
1991	15.150415173102228
1992	14.2821601539176
1993	12.343904411104123
1994	13.766043046580148
1995	12.248705752503088
1996	11.673120998972577
1997	12.691714934451237
1998	11.89266017612551
1999	16.718486968131423
2000	16.85900503381223
2001	15.796727869332846
2002	14.824310524293777
2003	16.04480256109914
2004	14.727594249500283
2005	16.239974705598755
2006	15.923265840555533
2007	15.390549626243066
2008	15.881105064403059
2009	16.10455864669132
2010	15.009134126283943
2011	13.465166152846894
2012	13.776712073214053
2013	14.258864232573979
2014	14.425146409710374
2015	13.915288832851772
2016	15.229836764628454
2017	15.749154229288026
2018	16.66058778890049
2019	17.54061357333455
2020	18.66696101025469
2021	17.88086147909098
2022	16.474867652186248
2023	16.91949463347175