Year	National currency (Billions)
1981	5.039
1982	-0.793
1983	-2.533
1984	2.424
1985	2.850
1986	5.899
1987	12.502
1988	16.066
1989	11.064
1990	3.967
1991	22.510
1992	21.979
1993	19.164
1994	10.843
1995	-3.113
1996	25.678
1997	86.865
1998	-23.240
1999	9.952
2000	-7.834
2001	-63.331
2002	-61.688
2003	-40.128
2004	-4.038
2005	13.964
2006	61.151
2007	123.650
2008	4.150
2009	29.417
2010	75.121
2011	73.686
2012	64.825
2013	21.803
2014	82.485
2015	14.374
2016	111.073
2017	148.973
2018	67.949
2019	-16.903
2020	-251.844
2021	0.237
2022	-187.733
2023	-171.004
2024	-144.547
2025	-83.990
2026	-47.109
2027	13.976
2028	77.083
2029	80.871