Year % of GDP 1999 0.48281931159481317 2000 1.0296972503208028 2001 1.1057285258514027 2002 0.9309367161386312 2003 0.9292366818412459 2004 1.8582032265193216 2005 1.2955040360825205 2006 1.7402204394051182 2007 1.8169152232847035 2008 1.1775236297631095 2009 1.5535149673601851 2010 1.5898106444573339 2011 1.5912195571575285 2012 1.7484630790072595 2013 1.6051006407788324 2014 1.223078506003772 2015 1.421190481384902 2016 1.4703053558794188 2017 1.1109594649118768 2018 1.231772446168904 2019 1.5732977066591536 2020 1.790770378287462 2021 3.3511842702572174 2022 5.180473457417805 2023 5.183148808351463