Year	Percent of GDP
1991-01-01	54.071
1992-01-01	55.824
1993-01-01	61.429
1994-01-01	64.198
1995-01-01	72.255
1996-01-01	73.745
1997-01-01	73.154
1998-01-01	72.943
1999-01-01	71.880
2000-01-01	69.342
2001-01-01	68.285
2002-01-01	68.106
2003-01-01	69.279
2004-01-01	69.654
2005-01-01	70.285
2006-01-01	68.624
2007-01-01	66.377
2008-01-01	70.077
2009-01-01	79.727
2010-01-01	85.817