Year	National currency (Billions)
1980	0.240
1981	0.298
1982	0.332
1983	0.356
1984	0.394
1985	0.425
1986	0.469
1987	0.512
1988	0.585
1989	0.626
1990	0.701
1991	0.743
1992	0.810
1993	0.835
1994	0.844
1995	0.921
1996	0.967
1997	1.014
1998	1.089
1999	1.139
2000	1.155
2001	1.248
2002	1.317
2003	1.375
2004	1.485
2005	1.566
2006	1.737
2007	1.927
2008	1.978
2009	1.929
2010	1.945
2011	1.927
2012	1.971
2013	2.065
2014	2.081
2015	2.124
2016	2.199
2017	2.279
2018	2.388
2019	2.459
2020	2.347
2021	2.355
2022	2.556
2023	2.810
2024	3.045
2025	3.227
2026	3.384
2027	3.545
2028	3.713
2029	3.889