Year	National currency (Billions)
1980	-31.572
1981	-27.802
1982	-43.727
1983	-37.533
1984	-23.588
1985	-31.732
1986	0.344
1987	42.103
1988	46.032
1989	50.111
1990	57.032
1991	5.029
1992	-139.498
1993	-179.414
1994	-154.274
1995	-132.962
1996	-60.474
1997	-31.727
1998	18.175
1999	14.233
2000	75.379
2001	35.050
2002	-36.785
2003	-33.072
2004	5.497
2005	52.594
2006	64.976
2007	109.074
2008	64.751
2009	-28.800
2010	-4.133
2011	-13.549
2012	-42.726
2013	-56.988
2014	-62.026
2015	-0.700
2016	43.199
2017	64.018
2018	36.342
2019	27.152
2020	-141.283
2021	0.798
2022	75.186
2023	-4.660
2024	-42.937
2025	-11.379
2026	20.737
2027	23.629
2028	26.023
2029	26.611