Year % of GDP 1993 7.697054835255869 1994 8.330589909125862 1995 8.029722993375236 1996 7.731111499174648 1997 7.125380838586964 1998 8.046827020065034 1999 7.220434585769666 2000 6.282466551275354 2001 6.5462146755300665 2002 6.444658743644936 2003 6.0957514750261454 2004 5.4925521309472565 2005 4.879948252886918 2006 4.796454047886851 2007 4.6546005036981 2008 4.178676141213671 2009 5.289189775701283 2010 4.907540356627603 2011 4.373596410635515 2012 4.4701310438127635 2013 4.720137687424099 2014 4.8211692629585725 2015 5.3499719092388816 2016 5.39056693700817 2017 5.071831055466785 2018 4.7072813526653485 2019 4.946746528937982 2020 5.357310557228434 2021 5.076182168946517 2022 4.584584832688677 2023 4.935555458126947