Year	National currency (Billions)
1990	0.735
1991	0.852
1992	0.957
1993	1.142
1994	1.380
1995	1.640
1996	1.757
1997	1.702
1998	1.788
1999	1.870
2000	2.064
2001	2.055
2002	2.154
2003	2.436
2004	2.572
2005	2.786
2006	3.199
2007	3.488
2008	3.732
2009	3.399
2010	3.805
2011	4.220
2012	5.042
2013	5.286
2014	5.330
2015	5.502
2016	5.892
2017	6.304
2018	6.390
2019	6.488
2020	6.111
2021	7.594
2022	8.366
2023	8.921
2024	9.144
2025	9.597
2026	10.056
2027	10.516
2028	10.980
2029	11.468