Year	National currency (Billions)
2000	-3.465
2001	-2.795
2002	-2.169
2003	-2.610
2004	-2.263
2005	-1.787
2006	0.563
2007	5.037
2008	3.343
2009	-2.751
2010	-0.882
2011	5.744
2012	6.802
2013	0.778
2014	-0.480
2015	-9.071
2016	-12.003
2017	-15.497
2018	-15.492
2019	-9.895
2020	-55.420
2021	-35.497
2022	-20.476
2023	-26.195
2024	-26.809
2025	-24.178
2026	-20.176
2027	-14.675
2028	-14.650
2029	-14.662