Year	% of GDP
1993	21.82082188756653
1994	19.149092103225097
1995	16.317492581633932
1996	14.657477565625463
1997	15.381604970505396
1998	15.298572724260378
1999	12.287867488634499
2000	13.837026018025437
2001	16.543847265550625
2002	20.744076914499157
2003	21.650634037031182
2004	18.793566026627374
2005	19.077386055488024
2006	19.13792089361951
2007	19.085179821829936
2008	19.31783748916996
2009	16.192546105344107
2010	15.01635184182912
2011	14.944465766773526
2012	15.850570010520096
2013	18.056962155981584
2014	17.789416133683115
2015	18.11003400869409
2016	20.075597665339053
2017	21.068033224812954
2018	21.68645534419173
2019	21.95649722051826
2020	18.34821289570051
2021	18.535151024826636
2022	21.442242568288343
2023	18.44033967551721