Year	National currency (Billions)
1988	-14.150
1989	-13.083
1990	-26.720
1991	-31.678
1992	-27.684
1993	-20.741
1994	-35.871
1995	-27.108
1996	-5.471
1997	-8.861
1998	0.006
1999	-3.168
2000	-12.372
2001	-5.776
2002	-8.150
2003	-21.155
2004	-12.025
2005	-32.540
2006	69.008
2007	8.777
2008	-11.206
2009	-5.285
2010	-14.280
2011	-24.689
2012	-9.947
2013	-19.246
2014	-30.535
2015	-5.900
2016	13.806
2017	-12.711
2018	-12.300
2019	18.993
2020	-46.132
2021	-86.269
2022	-81.821
2023	-56.089
2024	-52.806
2025	-33.950
2026	2.266
2027	1.312
2028	7.070
2029	-54.622
