Year	National currency (Billions)
1990	0.266
1991	0.327
1992	0.404
1993	0.424
1994	0.457
1995	0.471
1996	0.512
1997	0.592
1998	0.697
1999	0.718
2000	0.817
2001	0.917
2002	1.185
2003	1.215
2004	1.427
2005	1.590
2006	1.662
2007	1.763
2008	1.798
2009	1.927
2010	2.121
2011	2.338
2012	2.622
2013	2.782
2014	2.946
2015	2.980
2016	3.091
2017	3.258
2018	3.368
2019	3.514
2020	4.081
2021	4.390
2022	4.688
2023	5.004
2024	5.347
2025	5.693
2026	5.888
2027	6.100
2028	6.325
2029	6.583