Year	% of GDP
1994	0.8586164551780597
1995	0.3670926757100923
1998	0.6657228051321424
1999	0.8577026179636545
2000	1.0650392423186434
2001	1.778481964900329
2002	2.1729098379576195
2003	2.338638140181271
2004	0.20610130483966396
2005	1.2185509376954629
2006	1.8419448333157185
2007	3.951874508478897
2008	8.125862477546764
2009	1.6749461153568388
2010	3.092949946584141
2011	5.209435406061816
2012	2.979146415597459
2013	2.4228033710713195
2014	2.63667370508555
2015	3.4601108773281264
2016	2.538696576928872