Year % of GDP 1995 35.48835866251015 1996 36.752226600204075 1997 43.845494975529114 1998 35.854807461707274 1999 36.136264695947325 2000 39.52286828802535 2001 42.314604222195335 2002 45.26899908711326 2003 45.882951485990354 2004 45.062365367858824 2005 45.07710568611201 2006 45.95489829698274 2007 45.773690494654815 2008 46.06811419868765 2009 37.73542161599784 2010 37.23094056326588 2011 39.80578821432863 2012 40.39975211120614 2013 41.62828204105718 2014 42.883959926432105 2015 45.21015869579766 2016 45.440710689596166 2017 48.19115056106335 2018 49.802729295211876 2019 50.56408196543083 2020 48.04263826844729 2021 52.079404444154065 2022 64.98809672295818 2023 55.89599036685415