Year	% of GDP
1980	1.5990014555742207
1981	1.2491782489059913
1982	1.43794099339512
1984	0.8336063753528744
1985	0.6729276384332161
1986	1.9642378517414856
1989	-1.488900548089392
1990	-7.977849557537475
1991	-4.125908925033092
1992	-3.332053621713423
1993	-4.275278617597557
1994	-3.2308559072886878
1997	-0.30142133864720155
1998	-0.002086140722108421
1999	-0.018605375078916644
2000	-0.009324736428794611
2001	-0.013777550233031228
2002	-0.008953936189633228
2003	0.3025527755163536
2004	0.5025145164974545
2005	0.6110772982109368
2006	0.6972836349865716
2007	0.792662345259851
2008	0.8974716148016534
2009	1.0164986484515723
2010	0.7656169301469486
2011	0.4942184942907657
2012	0.4660335563972119
2013	0.5475091831334122
2014	0.5629728941101269
2015	0.36721511661336537
2016	0.32089750141468754