Year	% of GDP
1975	0.16725243811315232
1976	0.22346381083866407
1977	0.14356176259086523
1978	0.13698131424943308
1979	0.12334776052886141
1980	0.128322440736631
1981	0.11867518215893796
1982	0.10256009129201418
1983	0.18385764143275218
1984	0.16680065415377227
1985	1.1554507423630227
1986	1.2072357615366676
1987	1.1143974843881979
1988	1.4921696389584957
1989	19.690771487494356
1990	34.64506599539119
1991	4.422392102064526
1992	2.4387972552072092
1993	3.4594808585738894
1994	4.310285472834552
1995	5.393670181686921
1996	4.357580044535777
1997	5.6729922623415305
1998	8.27288459118291
1999	5.437363701553984
2000	4.899274341713647
2001	3.702969686327124
2002	3.035189275243746
2003	4.589031671177515
2004	8.6007761174308
2005	13.707434082757652
2006	24.672946392083574
2007	33.180888361374365
2008	22.714222968116086
2009	12.821067821856769
2010	12.450091554699561
2011	8.985220813567578
2012	5.774168328819098
2013	6.166572813342593
2014	6.48898448570571
2015	8.307682431533859
2016	6.707928523893466
2017	9.583181481202525
2018	8.666506570888197
2019	7.530413738361921
2020	9.143701288478821
2021	7.353542875523508
2022	7.940280505072093