Year	National currency (Billions)
1997	0.556
1998	0.680
1999	0.778
2000	1.259
2001	1.521
2002	1.633
2003	2.299
2004	2.788
2005	3.513
2006	3.326
2007	3.629
2008	5.375
2009	7.723
2010	8.878
2011	12.180
2012	14.695
2013	18.852
2014	21.101
2015	21.693
2016	17.877
2017	23.585
2018	19.596
2019	21.470
2020	21.551
2021	23.163
2022	25.764
2023	28.226
2024	30.745
2025	33.693
2026	36.998
2027	40.665
2028	44.713
2029	49.181