Year Percent of GDP (Units) 1995 25.498 1996 25.114 1997 22.887 1998 21.688 1999 22.884 2000 22.251 2001 21.673 2002 21.491 2003 27.032 2004 20.714 2005 21.520 2006 22.285 2007 21.574 2008 26.825 2009 24.257 2010 26.957 2011 20.770 2012 21.806 2013 23.406 2014 22.376 2015 23.898 2016 23.664 2017 21.971 2018 22.222 2019 23.445 2020 24.007 2021 19.698 2022 21.214 2023 23.536 2024 23.192 2025 23.192 2026 23.192 2027 23.192 2028 23.192 2029 23.192