Year	National currency (Billions)
2001	0.015
2002	-0.036
2003	-0.040
2004	-0.033
2005	-0.049
2006	0.186
2007	-0.162
2008	-0.120
2009	-0.125
2010	-0.175
2011	-0.265
2012	-0.449
2013	-0.201
2014	-0.543
2015	-0.528
2016	-0.915
2017	-0.535
2018	-0.419
2019	-0.517
2020	-0.409
2021	-0.706
2022	-0.973
2023	-0.759
2024	-0.846
2025	-0.920
2026	-0.993
2027	-1.069
2028	-1.149
2029	-1.234