Year % of GDP 1994 22.62529441471721 1995 28.482288310077802 1996 30.002763085304622 1997 18.750000234375 1998 29.790088287070827 1999 23.635669919313624 2000 11.449612031342705 2001 11.987684833485986 2002 15.671342806788552 2003 24.000443036255508 2004 22.729513513102713 2005 22.944182777446116 2006 21.700098528687732 2007 39.07191378798012 2008 39.02779926264841 2009 26.813787810452478 2010 41.111154153913965 2011 39.515616666565464 2012 30.803009017503115 2013 36.4458613110467 2014 36.832188850523565 2015 27.725567800916885 2016 23.956442202301126 2017 35.25052217875963 2018 32.55352826473714 2019 25.86766510096136 2020 28.604951526329632 2021 40.38582956518699 2022 45.49794996734336 2023 44.245990204435124