Year	National currency (Billions)
1980	8372.439
1981	8451.520
1982	8413.109
1983	8531.731
1984	8945.047
1985	8986.569
1986	9410.760
1987	9662.132
1988	9707.020
1989	9584.701
1990	8955.147
1991	8198.841
1992	7341.104
1993	6352.382
1994	5962.095
1995	6126.792
1996	6008.254
1997	5537.209
1998	5322.636
1999	5120.246
2000	4703.668
2001	4604.883
2002	4740.624
2003	5055.048
2004	5442.306
2005	5975.851
2006	6281.154
2007	6816.932
2008	7321.503
2009	7362.905
2010	7940.378
2011	8543.316
2012	9283.901
2013	10177.429
2014	10920.613
2015	11615.136
2016	11660.880
2017	12087.475
2018	12670.754
2019	13239.085
2020	13460.315
2021	14272.892
2022	15525.244
2023	16478.520
2024	17252.799
2025	18228.956
2026	19172.922
2027	20286.512
2028	21175.589
2029	22039.354