Year	% of GDP
1990	45.007674511299896
1991	43.58794931360207
1992	46.269790365795004
1993	58.833197947956485
1994	49.41851146229838
1995	53.47117814514498
1996	46.55766341895282
1997	48.69784832595536
1998	58.280582914039236
1999	52.83488971491629
2000	58.59843320298958
2001	59.26149557830559
2002	64.71507455329096
2003	71.11580910363065
2004	71.60072520322521
2005	65.70974312331664
2006	58.79787399210158
2007	51.5748916279875
2008	52.432270932465364
2009	52.400693134416464
2010	50.19624147649376
2011	48.80584812449501
2012	49.157455204927146
2013	47.144181858808835
2014	43.42633894047553