Year	National currency (Billions)
1996	0.427
1997	0.637
1998	0.781
1999	0.936
2000	1.097
2001	1.301
2002	1.553
2003	1.783
2004	2.096
2005	1.922
2006	2.442
2007	2.520
2008	2.591
2009	2.698
2010	2.836
2011	2.869
2012	2.705
2013	2.161
2014	1.785
2015	1.607
2016	1.560
2017	1.603
2018	1.567
2019	1.623
2020	1.622
2021	1.602
2022	1.594
2023	1.567
2024	1.584
2025	1.628
2026	1.709
2027	1.831
2028	1.999
2029	2.178