Year % of GDP 1993 1.497936601632495 1994 1.2323896095136295 1995 1.2911001772386081 1996 0.9766524608975532 1997 1.0055124151362345 1998 1.3900609069917333 1999 1.6580991242970207 2000 2.029360644246246 2001 2.4468753962688963 2002 11.21301962979091 2003 12.180323882497786 2004 11.308989980663235 2005 14.90510136552315 2006 16.06896467886402 2007 16.791813479681952 2008 21.73810396796297 2009 23.20762544223039 2010 21.646985274631312 2011 19.54630085594188 2012 22.082126545767917 2013 25.194704889791947 2014 25.90511361857992 2015 27.626085001763883 2016 26.96056526895385 2017 23.913544339418603 2018 25.02642042854324 2019 24.116370126481925 2020 24.25024610231916 2021 22.277578627432707 2022 22.564862792013006 2023 26.88955771971186