Year % of GDP 1960 3.0558165307179097 1961 2.3407902621380754 1962 3.057779181863844 1963 2.708104572220265 1964 3.0903506062960253 1965 3.2844171604888275 1966 3.1197339238533948 1967 4.158383359098038 1968 4.882687611567306 1969 5.557727725354909 1970 4.744501745805931 1971 4.3447520734562755 1972 4.531159434368507 1973 4.781127770226633 1974 4.69868169622426 1975 5.812539423427465 1976 5.052489055249632 1977 4.961895179262308 1978 4.898915090071733 1979 4.413589534491415 1980 4.0753128432978745 1981 3.8479878579890503 1982 3.1919286845823414 1983 3.7662970002778247 1984 3.8278434049183376 1985 3.1629934584382036 1986 3.1409275304049147 1992 2.155772207274852 1993 2.4418509779070763 1994 2.6138519822176205 1995 1.7797398269898905 1996 1.4347937591346756 1997 1.755542390668629 1998 1.7877605331947515 1999 2.4448348115602445 2000 2.256633881425522 2001 2.152390812221744 2002 2.1177493718052793 2003 1.9609345908258333 2004 1.937715508539866 2005 1.8465625843919322 2006 1.7676234043836119 2007 1.8460353048434586 2008 1.8965919142690877 2009 1.8372004382978977 2010 1.542322138068838 2011 1.4291675845878382 2012 1.589411056273631 2013 1.9577567408248477 2014 1.9515046485382161 2015 2.025056258587261 2016 1.8235761140034237 2017 1.8880468075981143 2018 1.6523694552245805 2019 1.6915324961629676 2020 1.7520775858787527 2021 1.6939692296577777 2022 4.850069689731213