Year	National currency (Billions)
1988	-1.371
1989	-2.498
1990	-2.748
1991	-1.781
1992	-1.663
1993	-1.982
1994	0.949
1995	0.897
1996	2.163
1997	2.608
1998	1.792
1999	2.393
2000	3.940
2001	1.247
2002	-0.744
2003	-5.248
2004	-7.832
2005	-2.976
2006	-3.331
2007	-5.138
2008	-12.972
2009	-24.169
2010	-11.885
2011	-5.765
2012	-2.820
2013	0.188
2014	-0.459
2015	0.998
2016	6.140
2017	7.545
2018	7.513
2019	5.394
2020	-12.398
2021	-9.089
2022	0.193
2023	2.466
2024	4.950
2025	5.171
2026	5.357
2027	5.548
2028	5.730
2029	5.927