Year Percent of GDP (Units) 1990 1.966 1991 0.682 1992 2.701 1993 4.357 1994 7.905 1995 4.804 1996 1.983 1997 5.663 1998 2.414 1999 5.204 2000 4.593 2001 1.197 2002 2.232 2003 0.678 2004 2.060 2005 2.556 2006 2.160 2007 7.120 2008 3.589 2009 -0.094 2010 5.684 2011 7.962 2012 7.336 2013 5.963 2014 4.600 2015 2.862 2016 3.260 2017 5.250 2018 3.680 2019 3.765 2020 -6.731 2021 1.135 2022 1.206 2023 3.584 2024 5.122 2025 3.625 2026 3.283 2027 3.093 2028 2.820 2029 2.672