Year	National currency (Billions)
2004	-4261.159
2005	-5066.176
2006	-6948.774
2007	-7157.775
2008	-7269.404
2009	-7699.275
2010	-6681.413
2011	-6951.398
2012	-9093.368
2013	-9484.689
2014	-8819.477
2015	-8793.634
2016	-10548.133
2017	-9748.367
2018	-13510.727
2019	-12914.447
2020	-5665.447
2021	941.828
2022	-49935.462