Year	National currency (Billions)
1997	0.632
1998	10.411
1999	-47.393
2000	23.765
2001	-12.350
2002	-153.122
2003	55.424
2004	316.305
2005	203.282
2006	79.107
2007	26.863
2008	-425.756
2009	-410.167
2010	-2119.290
2011	-918.998
2012	-1062.262
2013	-1777.702
2014	-1382.719
2015	-1153.196
2016	-601.399
2017	-2018.731
2018	-1558.778
2019	-3796.660
2020	-7776.116
2021	-7019.852
2022	-5655.647
2023	-3521.885
2024	-1955.885
2025	-835.653
2026	-1198.435
2027	-882.740
2028	678.864
2029	-543.192