Year % of GDP 1995 19.732711901068512 1996 18.578518167459563 1997 26.94730808504575 1998 23.220229802941347 1999 16.194406158724274 2000 14.115896911616964 2001 16.72670281119723 2002 26.7147139347134 2003 34.00620571009585 2004 37.69920551715082 2005 25.67120949858255 2006 18.60603430415231 2007 14.646605245436433 2008 11.431132253171622 2009 13.036910295948203 2010 12.139832944778052 2011 13.467221226477477 2012 17.56362478053182 2013 16.789050647990788 2014 19.51611359836717 2015 24.71320151538801 2016 31.40226576923204 2017 31.21420050187097 2018 24.48009942171706 2019 21.43048306334307 2020 19.163301568007448 2021 17.901672297850276 2022 16.283493054928353 2023 20.59966229152355