Year	National currency (Billions)
2000	0.401
2001	0.472
2002	0.403
2003	0.353
2004	0.294
2005	0.221
2006	0.458
2007	0.249
2008	0.673
2009	0.761
2010	0.895
2011	1.125
2012	1.052
2013	1.141
2014	1.063
2015	1.031
2016	0.926
2017	0.848
2018	0.912
2019	0.879
2020	0.910
2021	0.917
2022	0.959
2023	0.900
2024	0.914
2025	0.903
2026	0.894
2027	0.884
2028	0.874
2029	0.863