Year	National currency (Billions)
1990	0.159
1991	0.183
1992	0.170
1993	0.192
1994	0.192
1995	0.210
1996	0.230
1997	0.229
1998	0.276
1999	0.287
2000	0.330
2001	0.330
2002	0.319
2003	0.413
2004	0.391
2005	0.516
2006	0.512
2007	0.446
2008	0.539
2009	0.474
2010	0.513
2011	0.496
2012	0.449
2013	0.475
2014	0.603
2015	0.658
2016	0.752
2017	0.778
2018	0.849
2019	0.872
2020	0.793
2021	0.957
2022	1.088
2023	1.308
2024	1.545
2025	1.173
2026	1.220
2027	1.262
2028	1.303
2029	1.356