Year	% of GDP
2001	38.104307683295104
2002	39.41105460506486
2003	42.71064746806799
2004	47.63511493983612
2005	52.304121545009444
2006	53.89655037064996
2007	53.87503342398634
2008	56.89154027478315
2009	46.3393180337228
2010	48.71959858922219
2011	53.02447838207654
2012	54.55094842558399
2013	52.743791077963266
2014	48.947151275512674
2015	40.99581075149948
2016	38.14658351850199
2017	42.5229543645415
2018	45.01384340762964
2019	43.09141731750958
2020	35.780121571652536
