Year	National currency (Billions)
2004	-18844.343
2005	2991.848
2006	10247.687
2007	11123.710
2008	-1343.461
2009	-19484.234
2010	-6772.531
2011	10310.993
2012	10408.179
2013	-16585.650
2014	-15405.310
2015	-26572.988
2016	-28720.316
2017	-3416.291
2018	20910.450
2019	2332.583
2020	-27939.431
2021	-1152.123
2022	33834.354
2023	-4186.741
2024	-26264.625
2025	-31894.744
2026	-39081.864
2027	-45906.456
2028	-51416.211
2029	-56588.458