Year	National currency (Billions)
2004	3.091
2005	3.168
2006	3.003
2007	3.029
2008	3.296
2009	3.499
2010	3.756
2011	4.004
2012	4.186
2013	4.548
2014	4.596
2015	4.779
2016	4.409
2017	4.225
2018	4.259
2019	4.146
2020	5.585
2021	6.701
2022	8.097
2023	9.130
2024	10.391
2025	11.401
2026	12.412
2027	13.137
2028	13.869
2029	14.635
