Year	National currency (Billions)
1980	0.879
1981	0.917
1982	1.171
1983	1.398
1984	1.821
1985	2.417
1986	2.812
1987	3.781
1988	5.882
1989	6.534
1990	7.046
1991	7.963
1992	8.740
1993	10.071
1994	11.424
1995	13.318
1996	16.262
1997	18.279
1998	20.198
1999	25.032
2000	28.993
2001	31.896
2002	34.141
2003	36.969
2004	41.394
2005	50.311
2006	57.832
2007	64.870
2008	73.258
2009	72.399
2010	85.853
2011	103.330
2012	106.260
2013	119.867
2014	138.861
2015	137.053
2016	164.418
2017	166.647
2018	173.725
2019	179.580
2020	171.042
2021	207.743
2022	251.734
2023	277.979
2024	292.357
2025	319.348
2026	351.256
2027	382.270
2028	415.992
2029	452.541