Year Percent of GDP (Units) 1980 8.266 1981 16.787 1982 7.409 1983 15.086 1984 1.042 1985 0.044 1986 -1.444 1987 3.063 1988 6.546 1989 8.944 1990 7.775 1991 8.253 1992 4.266 1993 11.474 1994 8.103 1995 8.040 1996 8.555 1997 8.682 1998 10.772 1999 11.131 2000 13.636 2001 15.539 2002 14.699 2003 13.533 2004 12.098 2005 11.466 2006 12.438 2007 13.991 2008 13.190 2009 13.901 2010 17.919 2011 12.409 2012 12.906 2013 12.312 2014 11.425 2015 13.503 2016 8.773 2017 12.030 2018 12.968 2019 13.018 2020 16.107 2021 15.992 2022 12.088 2023 1.694 2024 0.578 2025 -1.408 2026 -2.322 2027 -2.512 2028 -2.124 2029 -2.166