Year	National currency (Billions)
1981	0.618
1982	0.483
1983	0.692
1984	0.750
1985	1.165
1986	1.208
1987	1.464
1988	1.721
1989	2.068
1990	1.839
1991	1.777
1992	2.217
1993	2.541
1994	3.134
1995	3.736
1996	4.207
1997	4.905
1998	4.754
1999	7.147
2000	8.532
2001	11.057
2002	9.944
2003	9.994
2004	9.872
2005	12.982
2006	13.482
2007	15.708
2008	19.719
2009	23.931
2010	29.620
2011	30.749
2012	34.725
2013	35.641
2014	34.610
2015	36.476
2016	44.688
2017	50.021
2018	54.737
2019	44.777
2020	57.989
2021	70.836
2022	69.387
2023	68.820
2024	73.967
2025	83.882
2026	94.283
2027	103.323
2028	112.815
2029	125.076