Year	% of GDP
1971	6.870142701243638
1972	6.038527610801479
1973	5.648969507280571
1974	4.966291789499041
1975	4.599563229744173
1976	6.103947127057703
1977	5.791388303026197
1978	3.334758923357665
1979	2.8695898056085607
1980	2.80178887506889
1981	2.266816151956956
1982	3.1839786240481485
1983	3.669638452046294
1984	3.3465843902766585
1985	3.1080890986815
1986	3.1916289002615947
1987	2.627918841143229
1988	2.5592806404242254
1989	3.30485639693626
1990	2.285341997027044
1991	1.5279038921557722
1992	1.0089672893429515
1993	0.9395668756227142
1994	0.7852824472745218
1995	0.4082972002020285
1996	0.34323754159879005
1997	0.2401943219321095
1998	0.3265657008212055
1999	0.4885594660054794
2000	0.42995440363781484
2001	0.31626620631743324
2002	0.474262367190695
2003	0.47343679733852995
2004	5.234744328482939
2005	3.461287592014157
2006	3.0803480538732417
2007	2.8930719478298297
2008	2.9092472194839836
2009	2.9886379089546153
2010	2.54062420177819
2011	2.356378300362869
2012	2.1149141061703225
2013	2.3303737758415046
2014	2.1742916543965114
2015	2.4739725996692896
2016	2.154854140459545
2017	1.9989198903095498
2018	1.8008671730739747
2019	1.5326470062920519
2020	1.7007116915394298
2021	1.4868970440653468
2022	1.231103227592729
2023	1.1122084119342468