Year	National currency (Billions)
1980	-1.735
1981	-5.118
1982	-1.751
1983	-2.646
1984	-1.942
1985	-0.534
1986	0.153
1987	3.011
1988	11.685
1989	13.166
1990	1.069
1991	-10.136
1992	-29.457
1993	-39.809
1994	-32.659
1995	-25.141
1996	-14.776
1997	1.116
1998	17.602
1999	25.682
2000	33.617
2001	20.855
2002	-6.966
2003	-22.723
2004	-22.458
2005	-21.698
2006	-16.891
2007	-14.892
2008	-56.340
2009	-132.942
2010	-107.512
2011	-76.095
2012	-87.217
2013	-70.251
2014	-68.812
2015	-59.044
2016	-33.621
2017	-13.892
2018	-12.041
2019	-23.106
2020	-252.689
2021	-129.032
2022	-25.355
2023	-95.882
2024	-63.553
2025	-37.667
2026	-34.098
2027	-29.541
2028	-25.039
2029	-19.194