Year Percent of GDP (Units) 1980 7.306 1981 2.829 1982 2.071 1983 2.318 1984 2.407 1985 0.542 1986 -1.954 1987 0.484 1988 3.156 1989 -1.201 1990 0.252 1991 1.120 1992 -0.404 1993 -7.237 1994 7.137 1995 3.695 1996 7.880 1997 6.247 1998 4.165 1999 3.650 2000 -0.535 2001 2.854 2002 -19.290 2003 13.363 2004 6.948 2005 9.599 2006 12.986 2007 21.732 2008 18.781 2009 19.113 2010 22.667 2011 21.005 2012 21.731 2013 18.497 2014 20.682 2015 15.160 2016 7.726 2017 9.412 2018 9.304 2019 13.684 2020 9.798 2021 13.367 2022 17.467 2023 15.875 2024 14.058 2025 13.426 2026 12.574 2027 12.763 2028 12.331 2029 11.978