Year % of GDP 1992 30.43117744610282 1993 27.906644779102134 1994 26.13056735230553 1995 23.05402340784271 1996 17.225926306041245 1997 16.252514364056893 1998 15.718596739618645 1999 16.1798001771722 2000 17.31828619975464 2001 23.73057866082478 2002 24.021699889465214 2003 23.04127040749763 2004 25.083313681596685 2005 27.96459986956224 2006 30.198445010967195 2007 30.01753880256757 2008 26.8411797649863 2009 27.791726274657513 2010 24.327347364722094 2011 21.464702362007774 2012 22.80315637372306 2013 21.882187859581787 2014 21.555910676294836 2015 22.881520962449844 2016 22.719264271792365 2017 21.697541061629284 2018 21.176826554137666 2019 23.467432946747667 2020 24.718582419327433 2021 23.038971249762387 2022 21.359850444037008