Year	National currency (Billions)
1997	0.552
1998	0.710
1999	0.871
2000	1.232
2001	1.573
2002	1.649
2003	2.741
2004	2.991
2005	3.657
2006	4.495
2007	4.684
2008	10.323
2009	11.768
2010	10.170
2011	15.217
2012	22.241
2013	20.562
2014	22.202
2015	20.819
2016	14.862
2017	19.818
2018	19.289
2019	20.838
2020	21.300
2021	24.143
2022	32.462
2023	31.739
2024	33.314
2025	35.409
2026	37.913
2027	40.591
2028	43.861
2029	47.555