Year % of GDP 1993 2.37198606084796 1994 3.33696915676923 1995 3.4789328471395 1996 4.72234025305317 1997 6.27663241229457 1998 5.58518113160291 1999 5.70593470859969 2000 6.37989121787591 2001 5.98794322535851 2002 6.31035106042013 2003 7.21124235441498 2004 9.02489132421963 2005 8.97621116796517 2006 11.9923014803752 2007 18.2065094985646 2008 23.4592138978718 2009 24.5936936463781 2010 27.5578667985871 2011 28.2532183388974 2012 38.7399600488584 2013 52.0145154761401 2014 62.6626663466272 2015 74.316741063277 2016 81.673832852223 2017 86.6521338368465 2018 99.5741439638025 2019 114.19393442757 2020 139.597397451378 2021 166.261839769811 2022 180.036822776883