Year % of GDP 1990 14.929017111403814 1991 16.741333333333323 1992 16.094670433145026 1993 17.058427439326376 1994 4.329727217660423 1995 5.239368773362111 1996 5.586590442845962 1997 5.670875070885939 1998 8.878637512674176 1999 9.520712273853922 2000 2.0457677056133634 2001 5.649167393640245 2002 7.481772825264548 2003 7.6988809675640075 2004 10.262980053463885 2005 13.116403962130946 2006 14.427962258855775 2007 12.73689922217863 2008 12.352026343560345 2009 11.30523047666545 2010 8.369744794335347 2012 14.219545900025645 2013 13.09487914450138 2014 12.266732516686845 2015 12.54843795345512 2016 12.34978006290843 2017 7.737007723805369 2018 9.884390143754157 2019 7.982054959976841 2020 9.078614920503652 2021 9.231087254296007 2022 13.322954246774882