Year	National currency (Billions)
1990	-0.369
1991	-0.481
1992	-0.383
1993	-1.616
1994	-0.384
1995	-0.125
1996	0.078
1997	0.060
1998	2.494
1999	1.271
2000	1.608
2001	-3.693
2002	-6.478
2003	-7.274
2004	-3.998
2005	-0.060
2006	-2.796
2007	-0.593
2008	-0.700
2009	-13.409
2010	-10.090
2011	-9.859
2012	-12.586
2013	-21.575
2014	-12.012
2015	-3.596
2016	-1.971
2017	-2.216
2018	1.135
2019	0.544
2020	-26.317
2021	-21.476
2022	12.811
2023	-10.559
2024	-16.057
2025	-16.163
2026	-15.628
2027	-12.660
2028	-14.918
2029	-15.700