Year	% of GDP
1975	0
1976	0.0019344934067038932
1977	0.035802269478707995
1978	0.025012445981758235
1979	0.05044451628528065
1980	0.14981036140824688
1981	0.06172145834040843
1982	0.08551257443293571
1983	0.013751093249089033
1984	0.055917698837865376
1985	0.009594945304534945
1986	0.013229535718668337
1987	0.024718290511650212
1988	0.059901918405999836
1989	0.02271456753173291
1990	0.02263274688022534
1991	0.3310769349987115
1992	0.8657309877873655
1993	0.8809557585344777
1994	1.597758508261155
1995	1.0238977786326078
1996	1.4423429652307922
1997	1.7059350119414192
1998	1.8093439076966082
1999	3.3844515321604742
2000	5.088917328168156
2001	2.2490225547252196
2002	0.4883770708736181
2003	2.3786376514963283
2004	1.969282467752403
2005	1.6332737758630151
2006	1.317625790280493
2007	2.528343808192144
2008	4.7042326561411665
2009	3.379779579202604
2010	3.944183934963838
2011	6.719485738310949
2012	7.465593793864575
2013	3.3609095255042964
2014	3.883431831783683
2015	6.537888335637823
2016	3.1586183771859733
2017	0.9179420009935182
2018	0.6241514515204292
2019	3.7174386823795222
2020	2.5185927843052602
2021	4.420168101174052
2022	4.228704119576763