Year % of GDP 1960 1.4581856994971 1961 1.30933752302764 1962 1.35207185896469 1963 1.5796677583820098 1964 1.8873002425578802 1965 1.50721338742394 1966 1.6244051316426498 1967 1.60916641574175 1968 1.54267474905488 1969 1.49925656716418 1970 1.3801301213153099 1971 1.2461069539106802 1972 1.2022866645813801 1973 1.1849885730057999 1974 1.27688251935917 1975 1.4512783637139501 1976 1.36519681077057 1977 1.34595189062191 1978 1.42921261189068 1979 1.4338457316942899 1980 1.42024610611492 1981 1.3800517334901201 1982 1.41299673018358 1983 1.39117588416479 1984 1.41415833617155 1985 1.51262356650052 1986 1.5087585414904001 1987 1.41667790274506 1988 1.29918114420184 1989 1.23415492526247 1990 1.19566026670559 1991 1.15421711847241 1992 1.09921407158669 1993 1.11558454134251 1994 1.09445307622703 1995 1.07323205206951 1996 1.04968297742271 1997 1.04643398189713 1998 1.01807286299799 1999 0.9802461233822131 2000 0.98031858008593 2001 0.9082400407095089 2002 0.8835278365730901 2003 0.913640318789259 2004 0.893480466242935 2005 0.850142574026263 2006 0.785813244459197 2007 0.90045717278703 2008 0.8707051230705851 2009 0.8333795646929241 2010 0.8212327115306209 2011 0.7908975584520309 2012 0.7784642506470361 2013 0.750825383084571 2014 0.7477800953797831 2015 0.698116413133988 2016 0.729737691793485 2017 0.757279033702098 2018 0.7450280396483451 2019 0.75035965749035 2020 0.884127145088915 2021 0.8736948467663329 2022 0.772607157386914