Year	% of GDP
1990	0.9052965536543001
1991	0.8068736596073737
1992	0.7404777273329834
1993	1.0277969233732105
1994	0.9395576041674295
1995	1.31798213441661
1996	1.024209009137462
1997	1.390945543915551
1998	1.4325783732172412
1999	1.5844984923529588
2000	1.2278568731713129
2001	1.1422980371114637
2002	0.9437150055225977
2003	0.7247936932588904
2004	0.6685795754365178
2005	0.8187500270831538
2006	1.6337177480097653
2007	1.8108466739357614
2008	1.9128328713724225
2009	1.783792206467135
2010	1.8725458071210905
2011	1.790793217259549
2012	0.9554447232400607
2013	-0.840228034308808
2014	0.9554974233452618
2015	0.43309673623189593
2016	0.2549928799245811