Year	% of GDP
2001	-0.01961407503770214
2012	0.008420478563287882
2013	0.3333427371954718
2014	0.4445131604149054
2015	0.5028243224508598
2016	-0.04167619364464434
2017	-0.0022805390841927056
2018	0.020602388880592713
2019	0.013013608596805648