Year	% of GDP
1990	54.770380095601766
1991	60.67271880819367
1992	55.49913175443972
1993	59.30982745686422
1994	59.03451415851977
1995	57.51826786614903
1996	55.29651794003031
1997	56.93532780668951
1998	54.28174403383345
1999	55.63863638033789
2000	56.72127582949982
2001	56.467819973288314
2002	55.934434002407215
2003	55.021315572241136
2004	53.837558093129246
2005	52.42052972224213
2006	48.56391046459277
2007	45.78247049504156
2008	43.287705434098264
2009	42.92979215095472
2010	38.76600029634379
2011	42.48072245052194
2012	42.51975430101779