Year	% of GDP
1981	15.793119423762302
1982	17.25491276921297
1983	18.477092943857286
1984	20.80490356907138
1985	21.11708779991808
1986	21.33509253268967
1987	22.11308951210543
1988	23.38526307123984
1989	23.417014314102325
1990	22.71571663517546
1991	22.54011951900242
1992	22.25803612765246
1993	22.065718750274605
1994	24.27145118902887
1995	24.197643874813547
1996	24.602436101809392
1997	25.938256524796792
1998	26.502513316606475
1999	24.671903613390395
2000	23.33290149105079
2001	23.64059634854822
2002	27.68504795695852
2003	26.085348418058434
2004	23.584062060527554
2005	23.047964401302256
2006	21.927648294761866
2007	21.733786622820766
2008	22.18151050897241
2009	22.613274214715094
2010	22.16789786338805
2011	21.91293380966332
2012	21.55019506944361
2013	20.973825537405304
2014	20.590709632135603
2015	21.21759108525967
2016	21.208681417333693
2017	20.86549757556457
2018	20.36662522973074
2019	20.575656242984582
2020	22.219661884696666
2021	21.81843111289608
2022	21.675245745222195
2023	21.874067473238316