Year	% of GDP
1980	44.066124178746094
1981	42.549733000983494
1982	40.85708034038076
1983	38.99220490736559
1984	39.328206610727776
1985	38.216934625322864
1986	30.364607756573882
1987	28.405945013967354
1988	26.427650306114785
1989	27.48920996691804
1990	25.97623045830525
1991	21.511163777362423
1992	20.80811885184074
1993	22.577515718039997
1994	23.613576608418814
1995	23.180285736745148
1996	22.394243961313446
1997	22.897646350151916
1998	21.02445310040928
1999	21.56018072918744
2000	25.888220321850515
2001	25.229867193657334
2002	25.43156329200052
2003	25.50409774007955
2004	25.332634007932043
2005	27.28154268192374
2006	29.529543867948366
2007	29.786823688652614
2008	29.321031543843034
2009	25.631453064081445
2010	27.744876471033443
2011	29.54641480856753
2012	30.007264836438196
2013	29.74304387382796
2014	29.546589543211056
2015	28.25008953272126
2016	28.700494230531444
2017	29.819561896899472
2018	30.349284478287885
2019	30.80839344670213
2020	27.047196215735568
2021	30.463545008323432
2022	32.351408574972496
2023	29.02396834801817