Year % of GDP 1990 14.707198555612258 1991 14.026982395622884 1992 14.206978057469321 1993 13.941993015174967 2000 15.70434548094225 2001 16.376159764301292 2002 16.23981825352474 2003 16.3039879253457 2004 15.248358591362814 2005 16.507578146168708 2006 14.57462911972236 2007 13.888093772613203 2008 13.581599410108991 2009 14.509485683653022 2010 13.79368894382165 2011 13.521190661626905 2012 13.545481374381268 2013 13.207151998118801 2014 12.82164776954351 2015 13.476741115466497 2016 13.435149014915758 2017 13.613157568526868 2018 14.212559318198151 2019 14.8359837062188 2020 19.560302924463908 2021 19.1392292224505 2022 18.606889332440428