Year % of GDP 1992 22.50752813664821 1993 20.07455403613341 1995 19.566488999178652 1996 20.710061903571585 1997 22.507310050602154 1998 24.207928989493567 1999 36.372758800026006 2000 44.60459281868284 2001 52.11890836181552 2002 53.03554563406886 2003 61.62916521991448 2004 69.26358598475899 2005 70.95984960629146 2006 79.22366732136045 2007 100.57977283682864 2008 93.65716993379523 2009 105.60693806867208 2010 90.45445615779533 2011 78.37215033630605 2012 84.81647069687564 2013 93.76270428595352 2014 101.73399023777804 2015 111.17465975917456 2016 120.64029379379602 2017 123.50530897957898 2018 124.98698638499465 2019 129.1476727623152 2020 140.6036802286195 2021 146.15795132181236 2022 137.29205396627785