Year Percent of GDP (Units) 1980 -0.441 1981 2.356 1982 3.194 1983 3.322 1984 4.475 1985 2.936 1986 2.142 1987 1.695 1988 2.699 1989 3.853 1990 2.517 1991 2.255 1992 1.871 1993 3.710 1994 4.521 1995 5.693 1996 4.772 1997 6.009 1998 2.971 1999 3.504 2000 1.738 2001 2.274 2002 2.330 2003 5.154 2004 7.560 2005 7.047 2006 9.085 2007 6.886 2008 4.966 2009 5.415 2010 6.934 2011 8.535 2012 10.194 2013 9.751 2014 8.172 2015 5.204 2016 7.114 2017 8.918 2018 9.320 2019 6.919 2020 5.142 2021 12.114 2022 9.271 2023 10.167 2024 9.123 2025 8.840 2026 8.738 2027 8.743 2028 8.652 2029 8.650