Year	National currency (Billions)
1980	0.007
1981	0.011
1982	0.014
1983	0.019
1984	0.03
1985	0.048
1986	0.07
1987	0.103
1988	0.178
1989	0.313
1990	0.541
1991	0.867
1992	1.505
1993	2.728
1994	5.325
1995	10.686
1996	20.335
1997	39.695
1998	71.893
1999	107.164
2000	170.667
2001	245.429
2002	359.359
2003	468.015
2004	577.024
2005	673.703
2006	789.228
2007	880.461
2008	994.783
2009	999.192
2010	1160.01
2011	1394.48
2012	1569.67
2013	1809.71
2014	2044.47
2015	2338.65
2016	2608.53
2017	3106.54
2018	3700.99
2019	4026.44
2020	4596.22
2021	5281.64
2022	6125.86
2023	7149.78
2024	8301.03