Year	National currency (Billions)
1996	-0.018
1997	-0.013
1998	-0.009
1999	-0.014
2000	-0.017
2001	-0.162
2002	-0.345
2003	-0.644
2004	-0.894
2005	-1.101
2006	-1.473
2007	-1.707
2008	-1.313
2009	-1.346
2010	-1.239
2011	-1.121
2012	-0.857
2013	-0.825
2014	-0.763
2015	-0.418
2016	-0.420
2017	-0.433
2018	-0.461
2019	-0.609
2020	0.819
2021	1.409
2022	1.424
2023	1.871
2024	3.338
2025	4.875
2026	6.349
2027	7.750
2028	9.233
2029	10.766