Year % of GDP 1993 12.31440947962186 1994 13.638968979060746 1995 13.21891410557032 1996 12.81901308096938 1997 11.477385930270911 1998 12.61243499077424 1999 11.130781729007479 2000 10.087906883677851 2001 10.345824721772168 2002 10.368408037646166 2003 10.066604212223563 2004 9.094215418984827 2005 8.277532758956548 2006 8.393251817343781 2007 8.004632845921702 2008 7.300691294958433 2009 8.701273854988562 2010 8.230173313457339 2011 7.542173707962342 2012 7.854459776496456 2013 8.792673209581642 2014 9.111921824719701 2015 9.808842676962607 2016 9.669571037291124 2017 9.32976793161057 2018 9.451928221890196 2019 9.958234974246224 2020 10.397401539855046 2021 10.098981934524232 2022 9.369554169074231 2023 10.17597231905536