Year Percent of GDP 1992 7.742 1993 25.828 1994 25.217 1995 22.283 1996 26.893 1997 30.475 1998 30.379 1999 40.098 2000 21.997 2001 35.261 2002 24.549 2003 26.544 2004 20.263 2005 20.339 2006 13.681 2007 12.674 2008 12.714 2009 9.264 2010 9.299 2011 9.994 2012 9.498 2013 9.317 2014 8.483 2015 8.121 2016 8.107 2017 7.827 2018 7.163 2019 6.968 2020 6.889 2021 6.714 2022 6.553 2023 6.422 2024 6.305