Year % of GDP 1990 25.79232447521879 1991 23.164875307648096 1992 27.099992856668376 1993 32.85281787231496 1994 30.041394079978268 1995 28.583381113276328 1996 21.997207806294146 1997 17.690533615418925 1998 16.03817814318998 1999 14.855207819716174 2000 13.176309957658919 2001 14.193103257511261 2002 13.217575646134764 2003 15.35571306360336 2004 17.564203427830904 2005 19.975906232949974 2006 24.35317502123782 2007 28.227769192689944 2008 29.561933196000762 2009 25.338334814205176 2010 28.032910692881362 2011 34.531841855506926 2012 31.996837397006832 2013 29.61883992818294 2014 27.286813067225168 2015 23.65276932473484 2016 19.070495336359635 2017 17.449100419508152 2018 17.90346651120258 2019 16.981843101732537 2020 14.459141350752258 2021 15.79516168082332 2022 19.58974119003109 2023 19.967808073589136