Year	Percent of GDP
1996-01-01	25.0675559791134
1997-01-01	27.8561218937565
1998-01-01	29.0237453565939
1999-01-01	30.2221518183826
2000-01-01	34.3074337454358
2001-01-01	35.8216871105213
2002-01-01	36.6060017692724
2003-01-01	37.0530993241841
2004-01-01	38.9618743045020
2005-01-01	39.5030100534885
2006-01-01	40.7872699785882
2007-01-01	42.0588930257560
2008-01-01	41.6511953400675
2009-01-01	34.0546331792274
2010-01-01	38.6040950112269
2011-01-01	41.0128881616324
2012-01-01	40.7652635950331
2013-01-01	40.6485854821918
2014-01-01	40.3051441798945
2015-01-01	39.9277476623300
2016-01-01	38.5240351124866
2017-01-01	40.3496836868027