Year	National currency (Billions)
2001	0.273
2002	0.285
2003	0.317
2004	0.352
2005	0.375
2006	0.473
2007	0.603
2008	0.774
2009	0.886
2010	0.911
2011	0.951
2012	1.031
2013	1.023
2014	1.035
2015	1.030
2016	1.041
2017	1.005
2018	0.990
2019	0.997
2020	1.173
2021	1.367
2022	1.249
2023	1.255
2024	1.255
2025	1.255
2026	1.255
2027	1.255
2028	1.275
2029	1.295