Year % of GDP 1995 13806.769905766256 1996 12594.94093674593 1997 19402.829155710024 1998 16777.073788382462 1999 16339.100494411161 2000 18470.338145942278 2001 22.792475135064468 2002 24.793970098534693 2003 30.937531176146592 2004 26.28423040479507 2005 30.09132796350516 2006 32.061791614879695 2007 37.900582862350234 2008 37.904458226752794 2009 34.84326038952797 2010 38.920401276430425 2011 37.68795764643526 2012 40.63630672777757 2013 42.47083909554304 2014 45.573906020780136 2015 49.10474735807206 2016 41.51261208401586 2017 38.22578050443955 2018 38.722707809273416 2019 33.406114696117676 2020 32.94976821529988 2021 29.94943692442137 2022 28.059762367226966