Year	National currency (Billions)
2000	-0.009
2001	0.027
2002	0.038
2003	0.172
2004	0.265
2005	0.074
2006	0.175
2007	0.018
2008	-0.625
2009	-0.069
2010	-0.133
2011	-0.205
2012	-0.058
2013	-0.022
2014	0.058
2015	0.057
2016	-0.103
2017	0.000
2018	-0.350
2019	-0.091
2020	-1.474
2021	-1.318
2022	-0.437
2023	-0.733
2024	-0.910
2025	-1.171
2026	-1.228
2027	-1.211
2028	-1.315
2029	-1.374