Year	National currency (Billions)
2009	-2.440
2010	-0.793
2011	-2.505
2012	-2.950
2013	-0.746
2014	-1.274
2015	-2.530
2016	-1.229
2017	-1.614
2018	-1.436
2019	-2.735
2020	-3.942
2021	-3.046
2022	-0.594
2023	-0.723