Year	National currency (Billions)
1983	0.001
1984	0.019
1985	2.366
1986	7.608
1987	8.884
1988	10.806
1989	12.694
1990	15.443
1991	19.132
1992	22.014
1993	24.459
1994	27.636
1995	32.235
1996	37.537
1997	41.644
1998	46.822
1999	48.156
2000	51.928
2001	53.790
2002	56.682
2003	61.904
2004	69.626
2005	77.024
2006	91.748
2007	103.009
2008	120.694
2009	121.727
2010	137.876
2011	166.232
2012	187.154
2013	211.856
2014	228.004
2015	228.031
2016	234.533
2017	259.185
2018	278.388
2019	282.587
2020	253.112
2021	279.221
2022	304.001
2023	318.808
2024	338.433
2025	360.289
2026	382.460
2027	406.150
2028	431.292
2029	457.978