Year % of GDP 1995 0.3014384686492176 1996 0.33407984384366074 1997 0.41114901842563467 1998 0.39387982754293366 1999 0.3725630581575218 2000 0.7691365746875306 2001 0.6776866061937382 2002 0.6560621855742625 2003 0.5475677691159018 2004 0.6075202889870411 2005 0.646140509487318 2006 0.7420401453232748 2007 0.6962031454009044 2008 0.8287999264228185 2009 1.2017867414907049 2010 1.3995909714683745 2011 1.623917311395972 2012 2.443654254407418 2013 3.065659475481033 2014 2.9800604786496714 2015 3.1586852498335203 2016 3.2433152053897123 2017 2.881461001853295 2018 2.74330580977495 2019 2.973821255176632 2020 2.4956361421128377 2021 2.104971381389342 2022 2.197422362622467 2023 1.7009462176428096