Year	National currency (Billions)
2000	-2.476
2001	-1.255
2002	-1.574
2003	-2.101
2004	-2.805
2005	-1.757
2006	-3.117
2007	-2.976
2008	-2.524
2009	-3.360
2010	0.414
2011	4.788
2012	-2.199
2013	-2.282
2014	-0.842
2015	0.162
2016	-0.386
2017	0.442
2018	4.304
2019	2.260
2020	-2.857
2021	-1.986
2022	-0.521
2023	-0.345
2024	-1.574
2025	-1.318
2026	-1.065
2027	-0.975
2028	-0.956
2029	-1.092