Year % GDP 1962 3.738021294884058 1963 3.9400820226783906 1964 4.6006515290040575 1965 5.235729253195134 1966 5.703058343105795 1967 5.57608347902419 1968 6.611986591674854 1969 6.185579656364093 1970 5.5928837263037225 1971 5.0989633036318756 1972 5.703495316832859 1973 5.908817159768607 1974 8.491230881613907 1975 12.701336885029235 1976 11.139023243457462 1977 10.221409535154732 1978 13.484900181434908 1979 16.804289355401014 1980 17.10754759906676 1981 17.665874919254666 1982 17.133484413540874 1983 17.221365100238188 1984 16.973061544750607 1985 15.633807613816533 1986 17.3787222303113 1987 16.130681507546115 1988 15.782463950939865 1989 12.962347231142527 1990 8.683549254358768 1991 8.12808944641867 1992 8.079064339490442 1993 7.511901277529115 1994 6.639018455993807 1995 3.6547035259477876 1996 3.5214990634916123 1997 2.6609060966240743 1998 3.165781422636212 1999 3.0550430169622174 2000 3.8594042752044295 2001 5.9177826876628785 2002 4.414140540122411 2003 4.572364065523872 2004 4.486850086156958 2005 3.9533650524356334 2006 3.8740030873193776 2007 7.078326276580316 2008 8.054482298665972 2009 8.891402211922575 2010 9.0342729600052 2011 9.922308182312593 2012 9.970813567354357 2013 10.460630408420988 2014 10.680035986388209 2015 11.273154737693146 2016 11.478825705069855 2017 11.414857471115068 2018 10.202612213918139 2019 11.220611870083811 2020 11.700232378582982 2021 13.024910891647382 2022 12.489166241537527 2023 10.984586146383062