Year % of GDP 1994 15.046503582746954 1995 13.452138268713238 1996 18.976583995123686 1997 25.908124086216255 1998 20.65381230479867 2000 35.406291339137944 2001 20.719303705511926 2002 15.281921910045963 2003 19.03807795005862 2004 22.02174883260287 2005 18.275283217050692 2006 34.40745681638599 2007 100.28671189748896 2008 55.226623780769096 2009 88.80675538667597 2010 78.81145023850374 2011 53.81871392531473 2012 39.889965144693164 2013 51.984666526135534 2014 71.29362424598975 2015 226.11551945446539 2016 109.95550152583564 2017 94.53372615402435 2018 67.61387998509775 2019 91.3694556574477 2020 159.2437968264504 2021 169.08691266101292 2022 130.77219744191538