Year Percent of GDP (Units) 1991 22.339 1992 14.819 1993 13.401 1994 8.033 1995 3.889 1996 1.441 1997 -0.431 1998 -0.275 1999 1.628 2000 3.071 2001 5.572 2002 7.581 2003 6.490 2004 3.991 2005 -0.054 2006 -6.666 2007 -13.006 2008 -19.265 2009 -10.583 2010 -7.040 2011 -8.597 2012 -6.771 2013 -5.646 2014 -4.369 2015 -3.460 2016 0.945 2017 4.422 2018 5.740 2019 7.993 2020 13.307 2021 20.216 2022 19.533 2023 22.771 2024 23.893 2025 24.528 2026 24.223 2027 23.686 2028 23.070 2029 22.443