Year Percent of GDP (Units) 1990 14.059 1991 14.605 1992 11.514 1993 15.123 1994 11.511 1995 7.033 1996 6.802 1997 5.845 1998 6.256 1999 6.013 2000 4.205 2001 7.810 2002 11.011 2003 15.790 2004 14.101 2005 14.218 2006 16.719 2007 18.353 2008 17.814 2009 21.989 2010 17.149 2011 8.231 2012 5.403 2013 26.157 2014 26.740 2015 25.514 2016 20.936 2017 16.838 2018 17.499 2019 20.540 2020 12.544 2021 -22.532 2022 -22.605 2023 -16.238 2024 -18.149 2025 -18.164 2026 -18.864 2027 -19.359 2028 -20.304 2029 -22.084