Year	National currency (Billions)
1996	15.364
1997	15.311
1998	16.197
1999	17.519
2000	16.436
2001	14.620
2002	15.178
2003	13.946
2004	9.891
2005	-2.608
2006	-11.517
2007	-8.538
2008	-19.297
2009	-13.434
2010	-16.072
2011	-5.477
2012	-14.091
2013	-24.717
2014	-24.177
2015	-28.695
2016	-11.278
2017	-13.536
2018	-15.428
2019	-2.261
2020	13.406
2021	19.343
2022	12.702
2023	15.402
2024	15.962
2025	17.545
2026	18.512
2027	16.648
2028	13.752
2029	9.882