Year % of GDP 1960 6.250000318877567 1961 6.896551995923231 1962 7.377048973010333 1963 6.015037645671645 1964 5.369127352049784 1965 5.539984495199475 1966 6.767566522063497 1967 6.9053265816293825 1968 8.212102308172177 1969 8.318812714053957 1970 3.9968736905047764 1971 5.0692244064058 1972 5.265473202626485 1973 5.714614187582888 1974 6.502142371135916 1975 9.25716457483101 1976 9.088417503542285 1977 11.19641139489673 1978 14.036886178698952 1979 14.916215475536282 1980 13.885767993872575 1981 13.56533683734988 1982 15.132909310231385 1983 19.312920979951915 1984 17.588071523470227 1985 14.304962137314378 1986 13.980364574602225 1987 21.515121169637492 1988 15.110157668921588 1989 16.5658611656473 1990 15.243091015999752 1991 14.89773381532624 1992 10.192376071758607 1993 11.100482755510614 1994 6.951450542288446 1995 6.442999353665366 1996 8.365184340554922 1997 6.096849474912486 1998 6.771614192903548 1999 5.884936319718928 2000 2.7811377098961927 2001 4.468258562600108 2002 3.94866019879363 2003 7.868790037064022 2004 10.347097130117563 2005 18.3 2006 17.212985724101078 2007 14.7864583013854 2008 13.308958689033085 2009 18.374873203806143 2010 16.460382391854292 2011 15.445747417835715 2012 14.838166078307522 2013 13.432629389180928 2014 14.403057205031592 2015 12.326082385188652 2016 9.403651262246786 2017 8.984054527674042 2018 11.103440124037652 2019 14.128709999474175 2020 11.445970000199798 2021 13.112609999613534 2022 13.386870815768592 2023 12.98737209401661