Year	National currency (Billions)
1988	1.650
1989	3.599
1990	-0.961
1991	-11.611
1992	-20.521
1993	-21.487
1994	-18.318
1995	-13.311
1996	-7.897
1997	-2.825
1998	-1.489
1999	4.250
2000	8.596
2001	-0.221
2002	1.507
2003	8.724
2004	11.833
2005	16.457
2006	18.422
2007	16.705
2008	-13.598
2009	-57.711
2010	-69.802
2011	-66.451
2012	-53.189
2013	-44.102
2014	-47.100
2015	-45.685
2016	-41.150
2017	-30.945
2018	-23.845
2019	-87.913
2020	-172.351
2021	-142.382
2022	-55.961
2023	-24.753
2024	-36.809
2025	-40.652
2026	-33.841
2027	-25.929
2028	-17.473
2029	-11.311