Year	National currency (Billions)
1981	-14.426
1982	-12.337
1983	-15.770
1984	-12.598
1985	-12.432
1986	-12.837
1987	-10.420
1988	-10.380
1989	-11.917
1990	-13.690
1991	-15.189
1992	-16.454
1993	-12.478
1994	-9.236
1995	-8.551
1996	-7.002
1997	-4.537
1998	-1.635
1999	-1.952
2000	-1.999
2001	0.132
2002	0.053
2003	-3.026
2004	-2.989
2005	-1.896
2006	-2.316
2007	-2.782
2008	-5.636
2009	-14.314
2010	-14.526
2011	-15.880
2012	-14.792
2013	-12.899
2014	-12.259
2015	-10.384
2016	-9.869
2017	-5.529
2018	-7.994
2019	-13.811
2020	-30.550
2021	-26.268
2022	-22.173
2023	-27.530
2024	-26.804
2025	-29.637
2026	-32.516
2027	-35.889
2028	-37.742
2029	-39.802