Year % of GDP 2000 7.73281384 2001 7.75525427 2002 7.92509031 2003 8.05197239 2004 7.70017481 2005 7.80322599 2006 7.65903044 2007 7.55503988 2008 7.7165823 2009 8.50175571 2010 8.39845562 2011 8.12831306 2012 8.18767262 2013 8.40493011 2014 8.49219322 2015 8.61353302 2016 8.69118309 2017 8.79702854 2018 8.8703146 2019 9.04012394 2020 9.96393967 2021 10.22433567