Year	% of GDP
1970	9.419119484184948
1971	7.597018218651505
1972	8.496119162580573
1973	7.706063631410284
1974	8.429850664570147
1975	9.405287419212932
1976	9.648019604757543
1977	9.344690312026307
1978	9.059663106858554
1979	10.550365408888169
1980	10.307982254875055
1981	8.844323357433174
1982	8.967559780377881
1983	7.498982689692952
1984	8.061008338387863
1985	7.840552244047415
1986	8.845692569892256
1987	9.59435458206282
1988	7.411480347350246
1989	9.595627310347874
1990	10.150001372860524
1991	10.266959106601119
1992	9.762690765870165
1993	10.540364088593856
1994	10.600097184584774
1995	9.84627193504896
1996	9.580899389637938
1997	10.175906041759974
1998	9.673208674582714
1999	9.20997153278056
2000	9.586942020025667
2001	10.523840094615748
2002	10.581394916659685
2003	10.075758480814754
2004	10.846894808092616
2005	10.24588135808969
2006	10.454107516682505
2007	10.064647897414215
2008	9.947347459205577
2009	9.205379797264685
2010	9.237903139068857
2011	9.091928664389851
2012	8.882945853154322
2013	8.86559191088076
2014	8.714617297616018
2015	8.11541585558291
2016	8.329903690744732
2017	8.464220897921429
2018	8.264248822105108
2019	8.209355861196023
2020	8.088834558114351
2021	8.109938092833799
2022	7.348533587643372
2023	6.946645387037032