Year	National currency (Billions)
2000	-0.045
2001	-0.084
2002	-0.204
2003	-0.071
2004	-0.020
2005	-0.048
2006	-0.138
2007	-0.178
2008	-0.137
2009	-0.091
2010	-0.055
2011	-0.065
2012	-0.082
2013	-0.126
2014	-0.090
2015	-0.034
2016	0.055
2017	0.055
2018	0.091
2019	0.119
2020	-0.060
2021	0.080
2022	0.070
2023	0.252
2024	0.241
2025	0.012
2026	0.017
2027	0.022
2028	0.027
2029	0.031