Year	% of GDP
1990	25.26348194560139
1991	25.69878296146045
1992	30.714325282517173
1993	28.807280403665946
1994	26.655727170495492
1995	28.23254926082253
1996	27.771601921980615
1997	25.534230043018706
1998	25.336197368890158
1999	26.455704965128152
2000	25.062096787637323
2001	24.694595911183743
2002	24.674124227259348
2003	23.244151783861554
2004	25.801358303773377
2005	28.71403603119118
2006	29.641793281750566
2007	29.906934953385043
2008	25.000399561123306
2009	24.037572957058853
2010	22.11731003803218
2011	20.03086907242641
2012	21.045799667103264
2013	20.928638053457206
2014	23.05305368410644
2015	21.571876029078407
2016	22.00876832126163
2017	22.738482118816002
2018	23.434310057030537
2019	22.046080324081398
2020	20.10489352721696
2022	23.511530954446833