Year	National currency (Billions)
1980	2595.283
1981	2491.472
1982	2593.622
1983	2645.495
1984	2775.124
1985	2936.081
1986	2874.424
1987	2431.762
1988	2516.874
1989	2905.242
1990	3054.762
1991	3241.822
1992	3141.754
1993	3265.745
1994	3386.994
1995	3555.458
1996	3684.345
1997	3895.767
1998	4031.255
1999	3670.733
2000	3601.606
2001	3679.028
2002	3685.897
2003	3748.591
2004	3790.567
2005	3760.757
2006	3688.998
2007	3922.615
2008	3990.574
2009	3899.623
2010	4144.146
2011	4438.038
2012	4671.083
2013	4928.787
2014	5147.392
2015	5347.054
2016	5458.885
2017	5484.686
2018	5534.528
2019	5746.138
2020	5641.845
2021	5724.667
2022	5898.524
2023	6032.205
2024	6207.267
2025	6373.067
2026	6539.267
2027	6708.827
2028	6882.236
2029	7063.198
