Year % of GDP 1991 175.73457452821907 1992 163.28837940745112 1993 162.02423224408759 1994 160.58535469121864 1995 166.6656542125619 1996 169.8327751357135 1997 166.1105264179478 1998 193.76898052951591 1999 213.46813128095968 2000 224.3850502793239 2001 226.53432909219146 2002 231.95831106590478 2003 254.4958000694678 2004 262.8215985584863 2005 257.6885339470656 2006 276.87206274516063 2007 290.5777530416367 2008 289.01721945760056 2009 315.70070068012865 2010 315.2644256816856 2011 323.8435979590887 2012 336.25260382738054 2013 353.9153370543491 2014 363.36568396972575 2015 365.5876231716063 2016 375.0387601692445 2017 396.15178949101954 2018 386.09876572469284 2019 403.31406867855503 2020 454.7032193073231 2021 437.79821389531907 2022 461.58780580968994 2023 450.2534064134726