Year % of GDP 1990 4.838513146696967 1991 5.008236547440089 1992 5.547922134411383 1993 8.01513800555669 1994 8.126437228091984 1995 8.054357651723091 1996 8.17178777492906 1997 8.69008635554994 1998 9.030526186388446 1999 9.076124335591821 2000 9.622603501889051 2001 9.324898793900559 2002 9.818958346663255 2003 12.518779700294886 2004 13.100779899438594 2005 13.103175645985207 2006 12.878886695431907 2007 12.448268448300368 2008 13.317846357403166 2009 12.38304155941574 2010 12.85304269032555 2011 12.663627701231455 2012 12.952841512741259 2013 12.452902755807672 2014 12.61096660671907 2015 12.33650694182909 2016 12.097283641196245 2017 10.939623860490986 2018 9.992390083843345 2019 10.59439751450814 2020 10.8658963820494 2021 11.468518282587274 2022 11.152065688059915