Year	National currency (Billions)
1999	-3.391
2000	-2.653
2001	-1.941
2002	1.308
2003	11.036
2004	15.876
2005	17.537
2006	17.415
2007	20.471
2008	9.589
2009	8.722
2010	15.870
2011	18.594
2012	-1.306
2013	5.385
2014	-7.258
2015	3.913
2016	-4.491
2017	-2.897
2018	10.375
2019	-10.758
2020	-47.457
2021	-16.911
2022	-14.848
2023	-27.801
2024	-34.647
2025	-29.385
2026	-18.423
2027	-14.506
2028	-14.703
2029	-11.658