Year	% of GDP
1987	72
1988	70.37037037037037
1989	75
1990	73.33333333333333
1991	66.10169491525424
1993	43.51297405189621
1997	91.87952745274528
1998	95.51780278670954
1999	91.21635003739715
2000	54.99493203139958
2001	67.00314796838164
2002	58.62302829354553
2003	70.84427741772578
2004	76.04923191547006
2005	61.23620457981076
2006	43.974580880039554
2007	45.92682185185185
2008	44.33103840711542
2009	21.692771519327906
2010	12.173205462850751
2011	14.424960211246473
2012	21.01896954638887