Year	Percent of GDP
1990-01-01	24.4188250157928
1991-01-01	27.9767032232351
1992-01-01	30.6304277902863
1993-01-01	34.4340232858991
1994-01-01	34.8665234734581
1995-01-01	33.9982502187227
1996-01-01	34.2227763923525
1997-01-01	21.7237964992515
1998-01-01	20.9517328580084
1999-01-01	19.6411443712608
2000-01-01	18.7520042790972
2006-01-01	23.4702303966166
2007-01-01	23.2550473991226
2008-01-01	25.4503135094053
2009-01-01	30.9034598415542
2010-01-01	33.6865674302876
2011-01-01	35.2808662969381
2012-01-01	36.4320134322093
2013-01-01	44.1234803718619
2014-01-01	47.0774734651785
2015-01-01	47.9562935135639
2016-01-01	51.8533466229685