Year	% of GDP
1997	6.563517127476522
1998	6.912929899177443
1999	6.518963260094285
2011	3.3168189853841725
2012	3.1606189516614105
2013	3.0555230610208413
2014	2.929661454455777
2015	3.414653355428507
2016	3.898085385760054
2017	3.449365479966779
2018	3.3509599743620386
2019	4.669206427736935
2020	6.365496998194342
2021	4.385235226472864
2022	3.240244356745961