Year	National currency (Billions)
1980	-2.006
1981	-2.705
1982	-7.158
1983	-6.647
1984	-7.515
1985	-8.683
1986	-6.930
1987	-2.315
1988	-2.193
1989	-0.998
1990	-3.533
1991	-5.586
1992	-2.579
1993	-10.272
1994	-9.760
1995	-10.968
1996	-6.612
1997	1.122
1998	5.610
1999	11.041
2000	10.662
2001	14.262
2002	14.590
2003	13.145
2004	14.242
2005	25.204
2006	33.919
2007	31.827
2008	-39.220
2009	-106.476
2010	-85.819
2011	-82.691
2012	-92.848
2013	-46.413
2014	-32.099
2015	-29.083
2016	-21.163
2017	-10.129
2018	-4.843
2019	-12.550
2020	-90.325
2021	-58.348
2022	-34.886
2023	-25.760
2024	-11.546
2025	-6.819
2026	-7.244
2027	-9.430
2028	-5.720
2029	-5.217