Year % of GDP 1993 48.635255972348254 1994 26.38848481871628 1995 7.0980782693578135 1996 5.117288741081845 1997 5.1350990719989476 1998 5.936009902706657 1999 7.614071924097736 2000 11.110253441899493 2001 15.86586620971624 2002 18.511090538822454 2003 21.918773372441954 2004 26.587488449795778 2005 35.679495707417345 2006 47.77356429744303 2007 58.93840624215454 2008 49.644738098476196 2009 50.265961099733545 2010 39.29308705817057 2011 35.13592668755669 2012 35.874800272844396 2013 34.86244779059309 2014 33.51313808966062 2015 34.00530038136848 2016 29.62498752106346 2017 25.83104437511742 2018 22.60642640147654 2019 21.198139283577905 2020 22.019641166158237 2021 23.04463566007392 2022 22.659620373999058 2023 24.153979710406976