Year	Percent of GDP
1980-01-01	29.4417058825543
1981-01-01	28.0662776064175
1982-01-01	25.5587647794121
1983-01-01	26.1938320905242
1984-01-01	27.6361402877021
1985-01-01	28.1844150692511
1986-01-01	26.4355044066092
1987-01-01	25.9845626093862
1988-01-01	26.8267752471203
1989-01-01	28.8402072724357
1990-01-01	25.0506384238700
1991-01-01	23.6522608118789
1992-01-01	22.6018087156251
1993-01-01	21.3960238940436
1994-01-01	21.8339103560572
1995-01-01	22.4261174505593
1996-01-01	22.4317806666544
1997-01-01	24.7484847711134
1998-01-01	24.9658183538330
1999-01-01	26.0092204060410
2000-01-01	28.0409303082842
2001-01-01	27.6115216039711
2002-01-01	27.2314341007709
2003-01-01	26.9890711251179
2004-01-01	27.8619508012787
2005-01-01	29.3567930396928
2006-01-01	30.6538124605525
2007-01-01	31.7873110449359
2008-01-01	31.0214169894014
2009-01-01	27.1389473987986
2010-01-01	28.5774041856381
2011-01-01	28.1121823223240
2012-01-01	28.2620373189421
2013-01-01	27.7879529024679
2014-01-01	27.4545500038853
2015-01-01	25.3778596070332
2016-01-01	26.3058384712233
2017-01-01	27.8089593877820