Year	% of GDP
1973	1.83042001724243
1975	1.98008000850677
1979	1.968940019607545
1980	1.9859399795532249
1981	1.9408100247383149
1982	1.871824979782105
1983	1.99576997756958
1984	2.06984996795654
1985	2.43543004989624
1986	2.67812991142273
1987	2.64433002471924
1990	2.41092991828918
1991	2.56676006317139
1997	3.02230000495911
1998	3.05141997337341
1999	2.752400040626525
2000	2.5501151084899902
2003	3.11435008049011
2004	2.55604004859924
2005	3.18875002861023
2006	3.14284992218018
2007	3.076240062713625
2008	3.275699973106385
2009	2.93451499938965
2010	3.377690076828
2011	2.841879963874815
2012	2.370239973068235
2013	2.8482199907302848
2014	2.975965023040775
2015	2.9529099464416504
2016	3.353145003318785
2017	3.061084985733035
2018	2.33200001716614
2019	2.8504999876022348
2020	2.05699992179871
2021	1.8309999704361
2022	1.97300004959106