Year	% of GDP
1990	25.108696078716136
1991	24.098688663535945
1992	23.83593199964923
1993	21.868358491007154
1994	28.4071563399226
1995	27.536519545600573
1996	27.02984504893943
1997	28.683121293552354
1998	24.99252905529343
1999	24.270709347230735
2000	27.61151362909755
2001	32.967172314632485
2002	31.29770609049509
2003	30.308446662059147
2004	32.11561661865878
2005	30.296637391887593
2006	31.125401238970625
2007	31.010262833768152
2008	33.97990983739976
2009	30.620182573574773
2010	30.185035307657564
2011	33.99293229308952
2012	34.09500517476669
2013	31.556344281224654
2014	32.002731587020406
2015	29.1601447454938
2016	28.35197378537368
2017	31.80001949760048
2018	36.737479601344106
2019	36.96419943475451
2020	32.27942700225972
2021	37.97025969446711
2022	41.19078685577679
2023	35.73516298611866