Year	National currency (Billions)
1980	0.197
1981	0.222
1982	0.242
1983	0.266
1984	0.295
1985	0.323
1986	0.365
1987	0.410
1988	0.462
1989	0.500
1990	0.544
1991	0.593
1992	0.632
1993	0.663
1994	0.714
1995	0.741
1996	0.789
1997	0.818
1998	0.871
1999	0.896
2000	0.900
2001	0.919
2002	0.900
2003	0.927
2004	0.991
2005	0.983
2006	1.054
2007	1.138
2008	1.237
2009	1.321
2010	1.333
2011	1.353
2012	1.312
2013	1.345
2014	1.405
2015	1.460
2016	1.556
2017	1.408
2018	1.498
2019	1.651
2020	1.361
2021	1.499
2022	1.640
2023	1.777
2024	1.911
2025	2.034
2026	2.142
2027	2.249
2028	2.361
2029	2.466