Year	National currency (Billions)
1997	1837.027
1998	1645.367
1999	2138.093
2000	2514.426
2001	2858.000
2002	2965.594
2003	3306.386
2004	3660.109
2005	3873.998
2006	3949.566
2007	4045.750
2008	4127.362
2009	4499.575
2010	4922.105
2011	5199.965
2012	5478.046
2013	5651.984
2014	5788.770
2015	5808.716
2016	5877.689
2017	5868.095
2018	5885.785
2019	5831.825
2020	6024.424
2021	6142.894
2022	5807.729
2023	5457.720
2024	5102.929
2025	4753.892
2026	4410.708
2027	4073.943
2028	3744.284
2029	3426.020