Year	National currency (Billions)
2000	-0.376
2001	-0.406
2002	-0.139
2003	-0.068
2004	-0.149
2005	0.015
2006	0.011
2007	-0.178
2008	-0.934
2009	-2.207
2010	-1.469
2011	-2.268
2012	-0.382
2013	-0.272
2014	0.391
2015	0.550
2016	0.688
2017	0.736
2018	0.751
2019	0.610
2020	-3.226
2021	-0.277
2022	-0.214
2023	-0.070
2024	-1.349
2025	-0.602
2026	-0.291
2027	-0.061
2028	0.108
2029	0.216