Year	% of GDP
1978	1.3015281129653402
1979	3.0574681339634946
1980	1.5661378127544006
1981	1.5849258630784
1982	0.4236668122845116
1983	0.5993263605018678
1984	0.9961583281313133
1985	1.5583811377755814
1986	2.9782759351813666
1987	7.0622945179300105
1988	4.224448762652221
1989	6.118907145407974
1990	7.095636052139266
1991	10.106832328279058
1992	12.158740910119082
1993	11.806895993145842
1994	10.326314245741761
1995	8.994114994498391
1996	9.978504501996936
1997	9.877750765033996
1998	5.015625281845866
1999	5.533581850517606
2000	6.023803992249902
2001	6.6688834829646675
2002	3.1377381491715672
2003	3.0151265069279827
2004	5.397632795189414
2005	5.9381572996639145
2006	8.021528265399523
2007	10.69713664236044
2008	7.305782552687153
2009	8.220642807342449
2010	10.052263746953287
2011	8.119458694608344
2012	9.535941032230353
2013	12.331428724548593
2014	9.383266092761435
2015	8.54319068931809
2016	10.060429832529012
2017	9.160073774493547
2018	7.466099366872396
2019	6.489576105755165
2020	7.378517883671436
2021	6.877202756221699
2022	7.222012214232337