Year	National currency (Billions)
1983	0.476
1984	0.540
1985	0.639
1986	0.745
1987	0.694
1988	0.714
1989	0.889
1990	0.906
1991	1.032
1992	1.126
1993	1.482
1994	1.565
1995	1.285
1996	1.478
1997	1.549
1998	1.943
1999	1.868
2000	1.947
2001	1.707
2002	2.153
2003	1.701
2004	1.842
2005	1.970
2006	2.443
2007	2.902
2008	2.469
2009	3.704
2010	4.047
2011	4.582
2012	5.605
2013	6.052
2014	5.785
2015	5.934
2016	7.166
2017	7.374
2018	8.110
2019	8.175
2020	11.155
2021	9.729
2022	9.032
2023	9.944
2024	10.986
2025	11.384
2026	11.738
2027	12.282
2028	12.587
2029	13.185