Year % of GDP 1995 0.6068439372323191 1996 0.13029318786095184 1997 0.667416788400478 1998 1.0910824533322248 2002 -0.540267390015299 2003 -0.874841015259584 2004 -2.2871107941913302 2011 0.1331668491431805 2012 0.30005754754425046 2013 0.5959195676021608 2014 0.10581629106181085 2015 0.3380099239563078 2016 0.40761871646386805 2017 1.3814885603956473 2018 1.9376322100215626 2019 -0.6511890575990131 2020 0.17311376782376742 2021 4.7989407850280505