Year	National currency (Billions)
1990	-3.675
1991	-0.996
1992	-7.320
1993	-8.259
1994	-6.095
1995	-6.376
1996	-2.178
1997	-3.586
1998	-4.612
1999	-7.014
2000	-5.515
2001	-5.199
2002	-6.794
2003	-6.477
2004	-6.101
2005	-2.085
2006	0.502
2007	-3.981
2008	1.529
2009	-9.839
2010	-2.866
2011	-3.664
2012	-6.900
2013	-1.225
2014	-27.302
2015	-66.972
2016	-3.510
2017	-1.038
2018	-10.268
2019	-5.390
2020	-14.401
2021	-18.420
2022	-9.394
2023	-18.918
2024	-23.352
2025	-21.741
2026	-20.313
2027	-17.980
2028	-22.716
2029	-23.549