Year	National currency (Billions)
1980	0.116
1981	0.123
1982	0.147
1983	0.175
1984	0.206
1985	0.237
1986	0.251
1987	0.263
1988	0.287
1989	0.321
1990	0.420
1991	0.423
1992	0.475
1993	0.509
1994	0.400
1995	0.597
1996	0.635
1997	0.716
1998	0.788
1999	0.786
2000	0.843
2001	0.936
2002	1.004
2003	1.083
2004	1.195
2005	1.326
2006	1.425
2007	1.539
2008	1.740
2009	1.759
2010	1.726
2011	1.776
2012	1.779
2013	1.823
2014	1.850
2015	1.998
2016	2.206
2017	2.244
2018	2.254
2019	2.390
2020	2.344
2021	2.169
2022	2.170
2023	2.551
2024	2.810
2025	3.018
2026	3.198
2027	3.365
2028	3.536
2029	3.715