Year	National currency (Billions)
1995	0.433
1996	1.099
1997	-0.001
1998	-1.341
1999	-2.015
2000	-0.810
2001	-0.815
2002	0.500
2003	-2.258
2004	0.521
2005	-0.670
2006	-1.289
2007	0.120
2008	-0.751
2009	-5.297
2010	-6.021
2011	-4.881
2012	-3.423
2013	-2.441
2014	-2.011
2015	0.609
2016	2.152
2017	0.715
2018	-1.885
2019	-3.592
2020	-19.132
2021	3.775
2022	-0.290
2023	2.468
2024	-1.361
2025	-7.009
2026	-8.827
2027	-10.387
2028	-5.668
2029	-2.756