Year % of GDP 1992 74.00497097844114 1993 37.89539511472279 1994 37.06473770912993 1995 38.97386091363551 1996 35.26880493070209 1997 34.9168566674192 1998 30.344203290497955 1999 42.46209550883895 2000 56.602426799537334 2001 45.8950186109102 2002 46.9906407561754 2003 48.41702209463264 2004 52.50041042502214 2005 53.19435825406801 2006 50.975297842183274 2007 49.312820890358246 2008 57.146384939133064 2009 41.83842244609146 2010 44.24417949847349 2011 46.464662794755185 2012 44.109663038429055 2013 38.617037715279686 2014 39.341758090729336 2015 28.51670800723535 2016 31.843888642283613 2017 32.39775293698795 2018 37.625218425287315 2019 36.43898709909944 2020 30.52890679896806 2021 33.644862124162394 2022 41.781277106367305