Year	National currency (Billions)
1990	0.315
1991	0.316
1992	0.316
1993	1.012
1994	1.551
1995	2.256
1996	2.703
1997	3.622
1998	4.065
1999	3.964
2000	4.262
2001	4.460
2002	4.770
2003	5.134
2004	5.775
2005	6.914
2006	8.015
2007	9.714
2008	11.042
2009	9.244
2010	9.616
2011	10.183
2012	10.695
2013	11.220
2014	12.200
2015	12.769
2016	13.050
2017	13.890
2018	15.361
2019	16.647
2020	17.282
2021	20.374
2022	23.919
2023	26.747
2024	27.048
2025	28.380
2026	29.630
2027	30.918
2028	32.424
2029	33.782