Year	National currency (Billions)
1980	0.023
1981	0.030
1982	0.037
1983	0.047
1984	0.045
1985	0.041
1986	0.052
1987	0.159
1988	0.301
1989	0.472
1990	0.690
1991	0.958
1992	1.483
1993	2.307
1994	4.098
1995	5.182
1996	6.773
1997	9.309
1998	9.851
1999	12.533
2000	15.527
2001	24.294
2002	26.231
2003	29.134
2004	31.845
2005	34.734
2006	48.649
2007	58.447
2008	66.862
2009	86.701
2010	103.158
2011	122.808
2012	133.121
2013	164.185
2014	223.964
2015	208.458
2016	218.599
2017	244.306
2018	280.727
2019	271.668
2020	318.631
2021	325.634
2022	395.303
2023	418.097
2024	439.593
2025	462.030
2026	491.450
2027	542.429
2028	589.607
2029	646.235