Year % of GDP 2000 5.78675985336304 2001 5.91572999954224 2004 6.60906982421875 2005 7.28714990615845 2008 4.91159009933472 2009 4.74174022674561 2010 4.12473011016846 2011 4.76523017883301 2013 5.72275018692017 2014 6.04489994049072 2015 6.23799991607666 2016 6.33699989318848 2017 6.69999980926514 2018 6.07399988174438 2019 4.76100015640259 2020 5.98099994659424 2021 6.97399997711182 2022 8.14200019836426