Year	National currency (Billions)
1983	2.162
1984	2.908
1985	3.657
1986	6.786
1987	6.892
1988	6.561
1989	6.491
1990	1.393
1991	-5.287
1992	-9.096
1993	-9.985
1994	-7.497
1995	-4.469
1996	-5.234
1997	-6.368
1998	-1.638
1999	-2.133
2000	5.991
2001	5.371
2002	-3.758
2003	-2.270
2004	-2.598
2005	1.179
2006	9.112
2007	12.552
2008	15.031
2009	5.975
2010	5.164
2011	6.856
2012	3.887
2013	-1.147
2014	-0.062
2015	5.196
2016	2.811
2017	8.728
2018	9.789
2019	9.998
2020	-20.518
2021	-1.130
2022	10.244
2023	5.128
2024	4.916
2025	2.642
2026	2.527
2027	2.501
2028	2.472
2029	2.444
