Year	National currency (Billions)
2000	0.642
2001	0.783
2002	0.793
2003	0.841
2004	0.984
2005	1.129
2006	1.016
2007	0.936
2008	1.923
2009	3.542
2010	5.199
2011	6.425
2012	6.722
2013	6.952
2014	7.151
2015	7.705
2016	7.915
2017	8.230
2018	8.350
2019	8.616
2020	9.807
2021	11.147
2022	12.406
2023	13.978
2024	14.658
2025	15.766
2026	16.618
2027	17.279
2028	17.958
2029	18.604