Year	National currency (Billions)
1985	-0.625
1986	-0.271
1987	1.017
1988	2.465
1989	2.786
1990	2.930
1991	1.024
1992	1.231
1993	4.818
1994	7.698
1995	9.361
1996	7.906
1997	5.895
1998	3.672
1999	2.601
2000	4.013
2001	4.611
2002	6.172
2003	7.975
2004	9.531
2005	10.309
2006	9.186
2007	7.646
2008	3.487
2009	-2.795
2010	-9.858
2011	-8.779
2012	-2.780
2013	-1.153
2014	0.733
2015	2.532
2016	4.320
2017	5.661
2018	5.706
2019	-6.003
2020	-11.811
2021	-8.772
2022	-10.298
2023	-9.389
2024	-7.748
2025	-3.288
2026	0.914
2027	4.811
2028	8.756
2029	10.594