Year	% of GDP
1980	3.016639947891235
1982	3.903290033340455
1995	3.0402050018310547
2002	3.636954903602605
2004	3.5394350290298453
2007	3.27934002876282
2008	3.50850009918213
2009	4.12703490257263
2010	3.75464248657227
2011	3.692754983901975
2012	3.7704999446868896
2013	3.792159914970395
2014	3.57255005836487
2015	3.58360004425049
2016	3.56997132301331
2017	3.4419999122619602
2018	3.310805082321165
2019	3.35599994659424
2020	3.6164782047271746
2021	3.320921778678895
2022	3.402193784713745