Year	National currency (Billions)
1997	3.224
1998	5.164
1999	6.046
2000	6.510
2001	5.556
2002	4.945
2003	4.544
2004	3.810
2005	2.752
2006	2.125
2007	1.868
2008	3.981
2009	4.020
2010	6.228
2011	12.682
2012	19.709
2013	23.214
2014	19.710
2015	22.879
2016	27.792
2017	32.100
2018	32.202
2019	28.348
2020	24.428
2021	22.719
2022	15.750
2023	12.691
2024	13.342
2025	14.033
2026	14.820
2027	15.729
2028	16.771
2029	17.957