Year	National currency (Billions)
1988	-1.815
1989	-1.620
1990	-1.089
1991	-1.517
1992	-0.267
1993	-3.248
1994	-4.281
1995	-5.135
1996	-1.907
1997	1.225
1998	0.372
1999	0.449
2000	1.423
2001	4.464
2002	1.324
2003	2.665
2004	-6.271
2005	-0.472
2006	-0.655
2007	2.275
2008	2.007
2009	-9.119
2010	-6.221
2011	-0.856
2012	0.161
2013	0.768
2014	-2.420
2015	2.528
2016	0.441
2017	2.401
2018	5.458
2019	6.660
2020	-26.442
2021	-20.002
2022	-12.594
2023	-7.868
2024	-8.274
2025	-6.144
2026	-4.523
2027	-4.425
2028	-3.930
2029	-3.811