Year	National currency (Billions)
1986	-0.324
1987	-0.772
1988	-0.912
1989	-0.558
1990	-0.617
1991	-0.142
1992	-0.844
1993	-1.018
1994	-1.450
1995	-1.755
1996	-1.989
1997	-1.240
1998	-0.658
1999	0.272
2000	0.000
2001	-3.034
2002	-2.094
2003	-1.941
2004	-1.741
2005	-1.183
2006	-0.787
2007	3.297
2008	6.484
2009	5.098
2010	-0.740
2011	1.564
2012	3.214
2013	-1.842
2014	-5.767
2015	-5.209
2016	-5.838
2017	-7.031
2018	-9.589
2019	-37.961
2020	-64.808
2021	-16.739
2022	-11.025
2023	-16.552
2024	-22.025
2025	-15.169
2026	-14.113
2027	-11.247
2028	-11.973
2029	-13.139