Year	National currency (Billions)
1980	-7.329
1981	-9.484
1982	-11.136
1983	-11.127
1984	-12.969
1985	-9.280
1986	-9.470
1987	-11.962
1988	-10.310
1989	-12.760
1990	-10.818
1991	-5.754
1992	-9.112
1993	-9.411
1994	-11.158
1995	-28.831
1996	-6.342
1997	-5.905
1998	-5.422
1999	0.989
2000	5.366
2001	-2.111
2002	-10.148
2003	-15.845
2004	-9.457
2005	-2.597
2006	-0.191
2007	-1.436
2008	0.807
2009	-32.596
2010	-34.130
2011	-28.890
2012	-25.673
2013	-19.528
2014	-15.136
2015	-13.411
2016	0.899
2017	10.121
2018	11.628
2019	14.628
2020	-29.588
2021	-19.466
2022	-0.898
2023	-11.426
2024	-20.676
2025	-23.704
2026	-30.450
2027	-33.661
2028	-40.259
2029	-42.533