Year Percent of GDP (Units) 1991 17.054 1992 -0.339 1993 26.499 1994 36.390 1995 37.029 1996 35.798 1997 35.833 1998 33.531 1999 35.048 2000 19.632 2001 43.219 2002 51.503 2003 47.968 2004 30.372 2005 30.488 2006 4.767 2007 -25.755 2008 -33.329 2009 18.670 2010 49.499 2011 -1.812 2012 -23.333 2013 -30.751 2014 23.893 2015 29.460 2016 -1.000 2017 -4.795 2018 14.712 2019 18.258 2020 11.502 2021 -6.615 2022 17.594 2023 23.523 2024 5.105 2025 3.973 2026 2.891 2027 6.072 2028 5.806 2029 5.192