Year % of GDP 2000 8.24814415 2001 8.62482357 2002 8.85670471 2003 9.01090145 2004 9.06628132 2005 9.03540611 2006 9.34210205 2007 9.44540119 2008 9.60754967 2009 10.66225815 2010 10.67611408 2011 10.37950897 2012 10.50971508 2013 10.41174984 2014 10.25765324 2015 10.73869705 2016 11.0319252 2017 10.90631104 2018 10.90542507 2019 11.00887775 2020 13.0351181 2021 12.3341074 2022 11.15471363