Year	National currency (Billions)
1995	-0.007
1996	-0.034
1997	0.136
1998	0.033
1999	-0.185
2000	-0.007
2001	0.024
2002	0.021
2003	0.144
2004	0.222
2005	0.116
2006	0.373
2007	0.419
2008	-0.486
2009	-0.408
2010	-0.070
2011	0.091
2012	-0.135
2013	-0.051
2014	0.051
2015	-0.080
2016	-0.208
2017	-0.245
2018	-0.294
2019	0.033
2020	-1.490
2021	-0.767
2022	-0.349
2023	-1.144
2024	-1.401
2025	-1.377
2026	-1.314
2027	-1.241
2028	-1.323
2029	-1.373