Year	Percent of GDP
1980-01-01	24.2729389690356
1981-01-01	24.6644884960792
1982-01-01	23.1865613317068
1983-01-01	23.0017134326438
1984-01-01	24.2734663050095
1985-01-01	25.1346441902980
1986-01-01	24.0802241646268
1987-01-01	23.3823791595719
1988-01-01	24.1189686608527
1989-01-01	25.5014823063591
1990-01-01	22.5537290939662
1991-01-01	21.8796726360913
1992-01-01	22.4898693790763
1993-01-01	22.1692361607791
1994-01-01	22.5722719989583
1995-01-01	22.7364759653509
1996-01-01	22.9995354580174
1997-01-01	25.2368647355876
1998-01-01	25.5038785068640
1999-01-01	26.2677803005771
2000-01-01	27.5767105665254
2001-01-01	28.0056131301570
2002-01-01	28.8847962672323
2003-01-01	28.4458013684588
2004-01-01	29.8221737307944
2005-01-01	30.9258797483738
2006-01-01	32.8951519949738
2007-01-01	34.2326025272506
2008-01-01	34.2812022451866
2009-01-01	30.6629477953345
2010-01-01	31.7853408111960
2011-01-01	31.9152299623967
2012-01-01	32.0334581580695
2013-01-01	31.4769098781164
2014-01-01	32.0081621547226
2015-01-01	30.9693568433716
2016-01-01	31.9325760236678
2017-01-01	33.0457372607175