Year Percent of GDP 1960-01-01 -0.78 1961-01-01 0.30 1962-01-01 0.67 1963-01-01 0.56 1964-01-01 -0.95 1965-01-01 -0.09 1966-01-01 0.40 1967-01-01 -0.58 1968-01-01 -0.51 1969-01-01 0.98 1970-01-01 1.48 1971-01-01 1.79 1972-01-01 0.22 1973-01-01 -1.34 1974-01-01 -3.62 1975-01-01 -1.49 1976-01-01 -0.70 1977-01-01 -0.21 1978-01-01 0.43 1979-01-01 -0.48 1980-01-01 0.63 1981-01-01 1.72 1982-01-01 0.70 1983-01-01 0.37 1984-01-01 -0.34 1985-01-01 -0.15 1986-01-01 -0.80 1987-01-01 -1.48 1988-01-01 -3.55 1989-01-01 -4.19 1990-01-01 -3.00 1991-01-01 -1.21 1992-01-01 -1.44 1993-01-01 -1.24 1994-01-01 -0.42 1995-01-01 -0.61 1996-01-01 -0.50 1997-01-01 -0.10 1998-01-01 -0.36 1999-01-01 -2.45 2000-01-01 -2.62 2001-01-01 -2.13 2002-01-01 -1.89 2003-01-01 -1.53 2004-01-01 -1.87 2005-01-01 -1.71 2006-01-01 -2.63 2007-01-01 -2.05 2008-01-01 -0.88 2009-01-01 -1.32 2010-01-01 -2.54 2011-01-01 -1.38 2012-01-01 -3.56 2013-01-01 -4.17