Year Percent of GDP 1990 80.353 1991 89.223 1992 79.905 1993 82.18 1994 123.453 1995 133.522 1996 146.661 1997 143.013 1998 161.24 1999 159.787 2000 177.837 2001 199.787 2002 195.86 2003 176.975 2004 163.226 2005 144.064 2006 135.071 2007 144.048 2008 192.102 2009 106.125 2010 82.224 2011 82.508 2012 80.069 2013 68.199 2014 72.731 2015 67.251 2016 69.048 2017 63.637 2018 58.17 2019 54.492 2020 49.511 2021 44.791 2022 41.004 2023 37.626 2024 34.935