Year % of GDP 1990 8.428884348293966 1991 7.269236842434515 1992 5.464440208428679 1993 5.767995634914571 1994 7.491337921369526 1995 8.224320204499621 1996 8.734556381742996 1997 10.266606899145152 1998 10.987988994342023 1999 10.619847906025948 2001 8.08387167264084 2002 9.70983167885198 2003 9.116895506811817 2004 9.680762202876277 2005 8.724416384577374 2006 8.262845854815652 2007 7.812529666161135 2008 7.814144254080419 2009 6.581181381025511 2010 8.163441079822901 2011 9.209358617019147 2012 9.377594715054384 2013 8.764725377006434 2014 8.811955393156362 2015 8.351338267013542 2016 8.08706553329928 2017 7.603929228732103 2018 7.519920423208997 2019 6.661741321744747 2020 6.19629946992619 2021 5.324726235326964 2022 4.5057689454706535