Year Percent of GDP 1990-01-01 87.1967599759139 1991-01-01 62.0674162757784 1992-01-01 70.9378689831812 1993-01-01 74.1231315611500 1994-01-01 69.8259155220588 1995-01-01 68.3949152787535 1997-01-01 64.4624151446094 1998-01-01 61.1859346067606 1999-01-01 61.6171338240012 2002-01-01 54.0303385454133 2006-01-01 54.8056299258500 2007-01-01 50.9355551094158 2008-01-01 45.4427659043265 2009-01-01 47.5036306769826 2010-01-01 50.9624992353025 2011-01-01 55.6277203238232