Year % of GDP 1994 38.29138812426268 1995 53.60000242244286 1996 35.70000150270451 1997 39.364329950369836 1998 38.709410730525406 1999 44.48688981502512 2000 54.353165577375904 2001 54.56063812095579 2002 54.898625748216325 2003 55.79066100326141 2004 55.60727202946466 2005 54.63792034767015 2006 52.594533713624095 2007 52.5400327816496 2008 53.65132436707899 2009 55.64013609457119 2010 55.50865567160571 2011 55.81472748051542 2012 56.78615983463311 2013 56.15712179887085 2014 56.783462635301106 2015 54.92883630916558 2016 54.1748786267221 2017 54.45006178243771 2018 53.73282536532421 2019 54.57076716676896 2020 54.65616613094326 2021 53.8615338086611 2022 54.50168528003173 2023 56.35927932758227