Year	% of GDP
1975	8.749268171408024
1976	9.230743516769815
1977	9.39970685358265
1978	9.334035578515397
1979	9.356413076178235
1980	9.920213555874106
1981	10.593715811237997
1982	10.542995429162223
1983	10.332528191058373
1984	10.590134479605718
1985	10.763114490901804
1986	9.84091089139562
1987	9.623588197032449
1988	9.507782071901309
1989	9.787513659766022
1990	9.948981031665028
1991	9.800907265622147
1992	10.362563078101847
1993	10.768638617143182
1994	10.536434193191674
1995	10.642910421232479
1996	10.869047063247683
1997	11.584168589835745
1998	12.057987488140165
1999	13.452496595473741
2000	14.844503129202781
2001	15.127838171759338
2002	15.299912760763123
2003	14.897518769256346
2004	15.437839296014493
2005	16.645202425663026
2006	17.067608408639142
2007	17.39128719978132
2008	17.769510739038868
2009	17.716796380172035
2010	18.010102503664577
2011	18.257096190324535
2012	19.017862468635265
2013	19.6889306723213
2014	20.734135860035924
2015	22.49410151130121
2016	22.88991999393977
2017	23.562365120871632
2018	24.336869916350665
2019	25.399685064741455
2020	23.153349407459046
2021	23.90319681416016
2022	26.56185175805318
2023	27.19138179887437