Year	National currency (Billions)
1996	0.427
1997	0.637
1998	0.781
1999	0.936
2000	1.097
2001	1.301
2002	1.539
2003	1.761
2004	2.044
2005	1.868
2006	2.383
2007	2.444
2008	2.447
2009	2.501
2010	2.643
2011	2.643
2012	2.492
2013	1.751
2014	1.241
2015	1.032
2016	0.922
2017	0.967
2018	0.809
2019	0.881
2020	1.107
2021	0.897
2022	1.021
2023	0.995
2024	1.012
2025	1.055
2026	1.136
2027	1.259
2028	1.427
2029	1.605