Year % of GDP 1994 10.633892691321007 1995 14.129646755047276 1996 27.541082983741305 1997 6.250000078125001 1998 -0.9991301314240395 1999 9.16244501516104 2000 10.318317473869188 2001 5.637572904869308 2002 9.461631053529231 2003 3.494084738258909 2004 8.379532949696799 2005 5.3536610903049615 2006 10.08327858415763 2007 11.710056743145616 2008 5.140410111582708 2009 5.244131661292138 2010 20.2560469520455 2011 18.72519506294476 2012 7.582537917726863 2013 17.268200913574553 2014 18.19753308340768 2015 14.645824834202129 2016 9.387610040166354 2017 21.197343121902204 2018 15.78828699563963 2019 17.094711841471756 2020 23.320426676785 2021 27.811671335460137 2022 28.73307075218775 2023 29.345832820495783