Year	% of GDP
1974	4.026623638563938
1975	2.8495190816009925
1976	1.9086491739552964
1977	1.6733882419767112
1978	1.4913711359757253
1979	1.8902847269716714
1980	3.0091385309524723
1981	3.4981647892671814
1982	3.324564914889156
1983	2.448079218743258
1984	3.014801951166289
1985	2.549352481087319
1986	2.1592895752291046
1994	1.209117224645393
1995	0.6678095564577285
1996	0.6733286935051894
1997	0.7527207238709818
1998	1.1819291457513887
1999	1.2312978237652692
2000	1.2687740979683315
2001	1.2796847480740317
2002	1.190742312562499
2003	1.0903419692989147
2004	1.2175754492018518
2005	1.358279238241571
2006	1.381153150208116
2007	1.5108616907607955
2008	1.4715122770431492
2009	1.5664469413788447
2010	1.3328689757114334
2011	1.2473909221390087
2012	1.223502236912784
2013	1.3594869610385052
2014	1.4169124769660868
2015	1.5914396571678748
2016	1.713020880014725
2017	1.8029263782347857
2018	1.9227321391035284
2019	1.9830151266276055
2020	1.9798549521370867
2021	1.9236125876482644
2022	1.8493626284224074
2023	1.8035518423412835