Year	National currency (Billions)
1995	0.018
1996	-0.131
1997	-0.283
1998	-0.167
1999	-0.193
2000	0.008
2001	-0.052
2002	-0.230
2003	-0.419
2004	-0.191
2005	0.065
2006	0.212
2007	0.941
2008	0.590
2009	-0.640
2010	-0.624
2011	-0.807
2012	-0.568
2013	-0.339
2014	0.489
2015	0.533
2016	0.516
2017	0.859
2018	-0.301
2019	0.776
2020	-0.818
2021	-0.067
2022	1.061
2023	1.290
2024	1.235
2025	1.279
2026	1.297
2027	1.070
2028	1.005
2029	0.949