Year	National currency (Billions)
1988	4.222
1989	5.164
1990	6.144
1991	5.933
1992	5.471
1993	5.264
1994	5.318
1995	5.302
1996	5.289
1997	5.108
1998	6.117
1999	6.116
2000	5.406
2001	5.959
2002	6.387
2003	6.546
2004	6.555
2005	6.763
2006	6.627
2007	7.431
2008	8.473
2009	9.715
2010	11.071
2011	12.633
2012	15.509
2013	17.669
2014	18.927
2015	20.769
2016	21.059
2017	21.641
2018	22.541
2019	24.420
2020	27.058
2021	29.283
2022	31.469
2023	32.736
2024	34.494
2025	35.981
2026	36.797
2027	35.767
2028	36.967
2029	36.367