Year % of GDP 1983 29.4589591095404 1984 24.280988881682912 1985 32.32692672854666 1986 26.341328905470952 1988 20.41115323120042 1989 14.218582715895584 1990 12.761830955006747 1991 11.24819522460589 1992 13.77201945151997 1993 13.421023156228168 1994 13.954298680974746 1995 16.86133960652026 1996 13.53583709608893 1997 15.295613451983844 1998 12.297895274105962 1999 22.87681640241271 2000 21.618750761037838 2001 26.070431387039434 2002 18.090087302361777 2003 14.792013615937517 2004 12.962334486705188 2005 9.649591799553466 2006 11.861916588429548 2007 11.11851526404284 2008 11.66114197205389 2009 9.404574684409974 2010 12.470318874838895 2011 11.76016629365763 2012 14.03754110794396 2013 13.148982753590053 2014 8.361999325453851 2015 8.155061170391376 2016 10.379842081110173