Year	% of GDP
1997	1.58580005168915
1999	1.72203004360199
2001	2.10683989524841
2002	2.27714991569519
2003	2.36501002311707
2004	1.9507999420166
2006	1.95851004123688
2011	2.33102011680603
2012	2.15821003913879
2013	2.29354000091553
2014	2.55800008773804
2015	2.82999992370605
2016	1.94405996799469
2019	1.7844500541687
2020	1.77161002159119
2021	1.74553000926971
2022	2.28800010681152