Year	National currency (Billions)
1991	7.468
1992	7.547
1993	6.387
1994	6.625
1995	7.816
1996	7.142
1997	7.021
1998	9.327
1999	8.256
2000	9.527
2001	8.371
2002	8.164
2003	7.240
2004	7.554
2005	7.894
2006	9.773
2007	11.876
2008	16.644
2009	17.435
2010	18.416
2011	17.315
2012	16.942
2013	16.423
2014	17.507
2015	35.121
2016	30.720
2017	35.237
2018	33.510
2019	42.786
2020	45.514
2021	46.175
2022	50.763
2023	59.084
2024	62.469
2025	63.440
2026	67.464
2027	70.358
2028	74.541
2029	80.780
