Year % GDP 1964 2.6692233121618925 1965 2.594072395491681 1966 2.5420684700616176 1967 3.5234920838407797 1968 3.795383655645664 1969 3.0727633239199665 1970 3.9653280977065886 1971 4.855878537495988 1972 5.053390999935171 1973 5.330711021510895 1974 9.197668217510437 1975 2.9318879005329883 1976 3.8460941782415783 1977 3.220491008194293 1978 6.193156264623464 1979 7.415154058164251 1980 6.888882445750791 1981 9.77501370189717 1982 8.260664546551157 1983 7.027161278785591 1984 3.9711096631153158 1985 3.573358503072966 1986 4.454778026399224 1987 4.34157820949329 1988 5.956344923797741 1989 7.005425957463663 1990 8.614541103167973 1991 10.748473322070053 1992 10.721010833138939 1993 14.031198004634298 1994 14.736116741993802 1995 12.265663713531112 1996 14.233409350057013 1997 11.871703617269546 1998 13.535207396301848 1999 15.390206411945542 2000 17.080014445038298 2001 16.302832343421493 2002 20.31026273327474 2003 20.13272615790254 2004 17.350747747931692 2005 14.543668331893228 2006 15.830880219864113 2007 14.7745242569166 2008 13.662915151645173 2009 14.630270740389385 2010 18.36191802872957 2011 21.55991025467329 2012 20.204925460313536 2013 19.3898209324084 2014 19.2934120175417 2015 16.38809242048558 2016 17.169907257375332 2017 15.463733539857666 2018 18.032643917196186 2019 20.70449901840223 2020 23.637703210135378 2021 35.12280988929763 2022 42.233332937230145 2023 48.53442167680577