Year	% of GDP
1991	0.097074960750264
1992	0.4420320509656731
1993	2.056471336514553
1994	4.699033552901572
1995	1.9460513171999074
1996	3.4606953000368144
1997	4.659114498118956
1998	5.079365597270974
1999	6.319689557807659
2000	11.879849220990991
2001	5.33083664138351
2002	1.628835430501075
2003	3.5642738482291256
2004	6.979578137954389
2005	8.571516442919448
2006	15.446770384720473
2007	21.01736078224315
2008	9.68683683619808
2009	12.8779263074667
2010	14.597415236048212
2011	13.933594051403125
2012	12.161699879515533
2013	14.078729426707504
2014	10.720965175393637
2015	11.03050196611455
2016	9.710038322409053
2017	12.961598910684163
2018	9.298579933031931
2019	8.454603411875592
2020	13.919306298160732
2021	11.519520340599446
2022	9.514066230735157