Year % GDP 1999 60.176555085289216 2000 50.293145991669064 2001 53.63314179280421 2002 53.67576275521787 2003 50.838984523859764 2004 46.43585374265163 2005 40.29210530699414 2006 34.758638852615526 2007 37.285138574586234 2008 34.98792929831012 2009 44.32827403195122 2010 36.5889242269663 2011 27.87334777647084 2012 27.770365503939274 2013 30.920284043607495 2014 32.90806463359986 2015 41.14024635468253 2016 43.56576862757144 2017 38.805840968371776 2018 34.40045797022994 2019 34.937956352875524 2020 38.81745584164057 2021 35.08552937012347 2022 30.422051830645618 2023 35.793235468115654