Year	National currency (Billions)
2006	0.520
2007	0.506
2008	0.381
2009	0.249
2010	0.260
2011	0.254
2012	0.411
2013	0.478
2014	0.596
2015	0.762
2016	0.874
2017	1.041
2018	1.143
2019	1.247
2020	1.523
2021	1.717
2022	1.787
2023	1.692
2024	1.923
2025	2.143
2026	2.380
2027	2.598
2028	2.862
2029	3.070