Year	% of GDP
2001	72.22215458899531
2002	72.33675318353498
2003	71.64140396127252
2004	64.98678287495852
2005	61.63573316658868
2006	58.32948635254228
2007	59.473834615767394
2008	54.85789362497916
2009	53.378584113076464
2010	50.25811967223473
2011	46.31236773890557
2012	45.97356837916191
2013	48.54537344075587
2014	46.89470623834528
2015	47.832569583389464
2016	49.27910778129736
2017	51.462952286984645
2018	49.519470390712385
2019	41.93144616546644
2020	38.1008502653329
2021	34.77091796026764
2022	32.26169789804357