Year	% of GDP
2004	0.9340291205139831
2008	0.2527534151800778
2014	2.34613457616575
2015	-0.6990777007995277
2016	1.7725282344412845
2017	1.3733239531497752
2018	-0.5405599353941806
2019	-0.15096577887753868
2020	-0.278012045220462
2021	-0.20738449859747538