Year	National currency (Billions)
1980	0.037
1981	0.040
1982	0.042
1983	0.043
1984	0.046
1985	0.047
1986	0.050
1987	0.053
1988	0.056
1989	0.057
1990	0.066
1991	0.197
1992	0.291
1993	0.433
1994	0.762
1995	1.276
1996	2.187
1997	19.032
1998	26.460
1999	25.043
2000	28.125
2001	30.987
2002	34.069
2003	36.638
2004	41.201
2005	47.017
2006	53.608
2007	63.494
2008	72.847
2009	73.181
2010	74.888
2011	81.126
2012	82.643
2013	82.253
2014	84.148
2015	89.571
2016	95.349
2017	102.683
2018	109.916
2019	120.342
2020	120.492
2021	138.979
2022	167.809
2023	183.743
2024	195.757
2025	208.548
2026	219.943
2027	230.986
2028	242.545
2029	254.324