Year % GDP 1993 49.30479793087744 1994 26.567954947330243 1995 7.1308137528471 1996 6.31142637713432 1997 5.172203624990095 1998 6.355832624410541 1999 8.241753416624997 2000 11.192789796352292 2001 15.976206097514567 2002 18.61860194828092 2003 21.937595410201137 2004 26.593331756502742 2005 35.685611857802165 2006 47.78393487943221 2007 58.94148774941528 2008 49.64742318422452 2009 50.26992098118958 2010 39.29591691193002 2011 35.144032953444686 2012 35.88354072870579 2013 34.86671228931419 2014 33.52664210933175 2015 34.008657621283675 2016 29.628033189106716 2017 25.835338725883094 2018 22.67131707731684 2019 21.26204402948751 2020 22.0439771514753 2021 23.08388548128629 2022 22.6944769262993 2023 24.186680625296226