Year % of GDP 1993 2.314245149733561 1994 3.2989398152804834 1995 3.4789328471394967 1996 4.722340253053167 1997 6.276632412294575 1998 5.585181131602909 1999 5.705934708599692 2000 6.379891217875909 2001 5.987943225358506 2002 6.310351060420127 2003 7.211242354414976 2004 8.924831149270464 2005 8.91520075602028 2006 11.953687958773456 2007 18.177238078269344 2008 23.438942925044667 2009 24.566515550119515 2010 27.52997569987802 2011 28.2352215536848 2012 38.71194924266042 2013 51.99833976358843 2014 62.38644053693291 2015 74.17233642571279 2016 81.42988150491068 2017 86.43024490234423 2018 99.36910303044745 2019 114.15889206724276 2020 139.57615032623792 2021 166.23999032482115 2022 180.01937676424427 2023 173.36749177758148