Year % of GDP 2000 0.51469523 2001 0.96511757 2002 0.43198308 2003 0.50115985 2004 0.43517572 2005 0.43213499 2006 0.55492193 2007 0.58651859 2008 1.09928632 2009 0.61770952 2010 0.8283878 2011 0.65133953 2012 0.81893653 2013 0.93664998 2014 0.94694966 2015 1.11883152 2016 1.19758177 2017 0.96784472 2018 0.67033952 2019 1.11432433 2020 1.89680159 2021 1.89836919