Year	National currency (Billions)
1980	3.960
1981	3.889
1982	3.824
1983	3.973
1984	3.980
1985	3.855
1986	3.847
1987	4.171
1988	4.223
1989	4.403
1990	4.500
1991	4.770
1992	5.376
1993	5.591
1994	6.044
1995	6.654
1996	6.761
1997	6.699
1998	6.786
1999	6.753
2000	5.789
2001	5.328
2002	5.179
2003	5.517
2004	5.884
2005	6.210
2006	6.512
2007	6.802
2008	7.197
2009	7.381
2010	8.017
2011	8.600
2012	8.718
2013	9.174
2014	9.283
2015	9.439
2016	9.963
2017	10.270
2018	10.552
2019	10.736
2020	10.373
2021	10.639
2022	10.895
2023	11.216
2024	11.482
2025	11.773
2026	12.081
2027	12.434
2028	12.799
2029	13.179