Year	National currency (Billions)
1997	-21.284
1998	-3.320
1999	-5.006
2000	-9.381
2001	-14.904
2002	-13.159
2003	-4.105
2004	-9.660
2005	-1.777
2006	-3.474
2007	-5.166
2008	-21.476
2009	-39.044
2010	-2.033
2011	-4.611
2012	-4.359
2013	-27.073
2014	-36.074
2015	-23.288
2016	14.207
2017	10.109
2018	9.993
2019	3.564
2020	-75.980
2021	-49.507
2022	-38.602
2023	21.320
2024	8.745
2025	-0.079
2026	0.856
2027	0.832
2028	-0.765
2029	-1.351