Year	National currency (Billions)
1980	4594.864
1981	4979.738
1982	5394.602
1983	5707.069
1984	6044.577
1985	6387.860
1986	6990.000
1987	7237.582
1988	7610.018
1989	7928.340
1990	7731.271
1991	7020.097
1992	6370.284
1993	6168.423
1994	6300.081
1995	6701.801
1996	6851.592
1997	7118.579
1998	7356.335
1999	7582.202
2000	7669.099
2001	8024.838
2002	8447.499
2003	9069.015
2004	9923.769
2005	10569.536
2006	11432.318
2007	12433.418
2008	13405.578
2009	13128.151
2010	14088.218
2011	16524.181
2012	18559.930
2013	20721.961
2014	22355.934
2015	22894.781
2016	23235.864
2017	24545.641
2018	26446.671
2019	27928.279
2020	26655.377
2021	27091.664
2022	28455.109
2023	30453.509
2024	32443.997
2025	34377.618
2026	36261.439
2027	38210.103
2028	40185.737
2029	42263.731