Year	National currency (Billions)
1997	2174.763
1998	2218.571
1999	2322.698
2000	2708.899
2001	3048.535
2002	3165.760
2003	3512.071
2004	3878.450
2005	4100.632
2006	4186.291
2007	4297.374
2008	4374.301
2009	4742.831
2010	5186.842
2011	5468.503
2012	5754.408
2013	5939.511
2014	6094.887
2015	6129.840
2016	6208.231
2017	6206.697
2018	6231.762
2019	6187.849
2020	6399.393
2021	6550.783
2022	6234.759
2023	5901.572
2024	5569.019
2025	5240.153
2026	4916.733
2027	4600.042
2028	4291.170
2029	3992.363