Year % GDP 1964 0.9384615817751499 1965 1.1021506857729415 1966 1.9814612684894701 1967 1.4677862470534442 1968 1.3583041553456747 1969 1.6581872742293102 1970 2.4065483654420636 1971 2.907332485961898 1972 2.036563948425161 1973 3.660246051649428 1974 6.190027570256578 1975 3.142505157698415 1976 3.418781420651119 1977 5.524361609625108 1978 5.896606334269946 1979 4.418009755982075 1980 5.747291437160076 1981 6.092547342568063 1982 6.129216996190216 1983 5.871269813842453 1984 6.453670537515217 1985 7.718798255478594 1986 7.8890921182103195 1987 7.921321017582734 1988 9.00600679471533 1989 9.221565942627436 1990 6.920655554716058 1991 5.119700284078793 1992 5.6751606061601985 1993 6.3291451837982375 1994 9.88227976584186 1995 8.414882651260115 1996 6.806435990359426 1997 8.09027398245172 1998 8.759214221648653 1999 8.363666778186685 2000 8.732253559211033 2001 9.07882110405561 2002 9.424348095915768 2003 8.929573238091427 2004 9.831254538896236 2005 10.310898285479645 2006 11.768881155343617 2007 12.033440397774868 2008 13.364285564408055 2009 11.16028445448707 2010 11.491303459156917 2011 13.266033326457553 2012 15.75151870021966 2013 16.216479549453886 2014 17.63039575958065 2015 20.999709351039712 2016 20.47517290542405 2017 20.594411681878274 2018 21.399885111785974 2019 21.460548172739344 2020 25.051068316913465 2021 25.36491759637342 2022 22.8466320420891 2023 22.725593049452872