Year	% of GDP
1990	6.70784507944999
1991	5.241982121887524
1992	5.718750512854836
1993	5.284609126664816
1994	4.738072678511166
1995	3.02593340220775
1997	1.429101874722437
1998	2.528536856021734
1999	2.897608522626428
2002	2.986748255119349
2003	2.5905544385855643
2004	2.5224229146764165
2005	2.6010053617071445
2006	2.487405408067815
2007	2.671042090616653
2008	3.3670282980198167
2009	3.947177303094789
2010	3.475898410893004
2011	4.058284849489717
2012	4.991710619107197
2013	4.69777858266941
2014	4.96009801748258
2015	0.2076765180838108
2016	5.2399657847528305