Year % of GDP 2000 1.74815881 2001 1.82439423 2002 1.69748759 2003 2.10741234 2004 2.32524157 2005 2.65960002 2006 2.6138339 2007 2.45827246 2008 2.94638777 2009 2.18535709 2010 2.28946137 2011 3.035074 2012 2.57380128 2013 2.76707244 2014 3.33988428 2015 3.21473765 2016 3.48056126 2017 3.15361023 2018 3.06692934 2019 3.19510603 2020 2.6754694 2021 1.89408863