Year	National currency (Billions)
1980	0.252
1981	0.276
1982	0.556
1983	0.694
1984	0.860
1985	1.047
1986	1.299
1987	1.699
1988	2.971
1989	9.681
1990	59.316
1991	85.627
1992	121.613
1993	164.903
1994	236.982
1995	339.143
1996	424.843
1997	518.289
1998	604.325
1999	669.481
2000	748.619
2001	784.005
2002	815.235
2003	850.750
2004	932.589
2005	990.530
2006	1069.431
2007	1187.508
2008	1285.571
2009	1372.025
2010	1434.368
2011	1553.641
2012	1612.739
2013	1630.126
2014	1700.552
2015	1798.471
2016	1853.205
2017	1982.794
2018	2126.507
2019	2288.492
2020	2337.672
2021	2631.302
2022	3067.495
2023	3396.269
2024	3652.412
2025	3949.906
2026	4212.143
2027	4447.603
2028	4694.651
2029	4957.033