Year	Percent of GDP
1980-01-01	16.5594103226037
1981-01-01	17.2420925018237
1982-01-01	16.4708922865290
1983-01-01	16.9318270598662
1984-01-01	18.3164315378711
1985-01-01	18.2255202833218
1986-01-01	16.1633025904079
1987-01-01	15.8203457698808
1988-01-01	16.1697383928469
1989-01-01	17.1793375600003
1990-01-01	16.6950741714466
1991-01-01	16.6944567846381
1992-01-01	16.4268573754526
1993-01-01	16.4284400659283
1994-01-01	17.7924269039181
1995-01-01	18.9699089129409
1996-01-01	19.1493350191371
1997-01-01	20.6945336645357
1998-01-01	21.1715474011621
1999-01-01	21.6375322709872
2000-01-01	24.0126067338600
2001-01-01	23.4828217127237
2002-01-01	22.1553159766202
2003-01-01	21.2841907079379
2004-01-01	21.1730055566104
2005-01-01	21.0361849328235
2006-01-01	21.3901317743921
2007-01-01	21.0430979804130
2008-01-01	20.9683513734985
2009-01-01	17.9752701443086
2010-01-01	19.6883999506041
2011-01-01	20.7787942521197
2012-01-01	21.1904656461151
2013-01-01	20.7053258980548
2014-01-01	20.3953425787602
2015-01-01	20.7477717776419
2016-01-01	20.3076614944836
2017-01-01	20.6945773885391