Year % of GDP 1991 7.999423907568269 1992 9.15149242640735 1993 8.240627338143666 1994 10.513041449025074 1995 11.362985095547756 1996 11.853009812660332 1997 10.729091551816625 1998 9.937704556963887 1999 8.884017177016693 2000 11.285685191384708 2001 18.73978227982845 2002 21.469946672022672 2003 22.8118539424611 2004 26.374613414071156 2005 27.867763726904577 2006 28.03968184917609 2007 28.320839868976293 2008 27.346265561776512 2009 27.983421469315584 2010 29.368232737356664 2011 31.37890026728321 2012 30.0174391521977 2013 27.993807270821137 2014 32.78903729709211 2015 32.57229353284025 2016 35.381937395366506 2017 41.043463320554 2018 45.53103583794722 2019 37.14205635947111 2020 32.789873468800906 2021 40.350498525171375 2022 52.54382756530881