Year % GDP 1977 2.807639387206318 1978 5.50920594307635 1979 8.190264125386728 1980 8.584732774196794 1981 10.758420691053418 1982 14.218756882455587 1983 12.706331521470544 1984 10.937055193541081 1985 10.528094877610341 1986 16.651002880438398 1987 16.476277443158228 1988 14.632152633317904 1989 23.361649497261716 1990 12.9065859999206 1991 9.430253824102213 1992 9.273393746350889 1993 7.479605923305523 1994 4.003390869915289 1995 4.400854736283928 1996 3.948760731180607 1997 5.84045264851146 1998 11.285102864908264 1999 13.251761688901494 2000 13.268884975033119 2001 15.930441314898344 2002 16.99530572470558 2003 16.44913907050868 2004 15.019581475397263 2005 13.542869295949744 2006 12.214581612788761 2007 12.582142962766781 2008 10.643438212718062 2009 12.23188537082636 2010 11.842394016001688 2011 10.799212574390888 2012 10.985133752916422 2013 9.887038678154447 2014 10.434441911171152 2015 13.80278076271291 2016 19.394483389475337 2017 22.20889320269052 2018 23.68872919517734 2019 25.686128835908736 2020 30.51842419410691 2021 30.039568826879044 2022 32.33129700371757 2023 35.94487781954891