Year	% of GDP
2007	4.20983982086182
2008	4.28094434738159
2009	4.48398017883301
2010	3.90093207359314
2011	4.2383599281311
2012	3.84768438339233
2016	3.63470005989075
2017	3.71016001701355
2018	3.58231997489929
2019	3.61647009849548
2021	3.29965996742249