Year Percent of GDP (Units) 1990 17.936 1991 10.409 1992 17.642 1993 16.332 1994 20.110 1995 22.051 1996 23.938 1997 24.952 1998 18.616 1999 25.902 2000 32.736 2001 26.369 2002 22.631 2003 22.222 2004 21.901 2005 22.311 2006 17.598 2007 10.227 2008 10.766 2009 3.488 2010 8.250 2011 2.500 2012 6.993 2013 5.033 2014 7.554 2015 -1.150 2016 -4.021 2017 0.594 2018 2.648 2019 2.291 2020 -10.028 2021 -8.557 2022 -12.368 2023 -13.662 2024 -18.309 2025 -15.420 2026 -0.239 2027 13.040 2028 13.094 2029 13.996