Year	National currency (Billions)
1990	0.454
1991	0.739
1992	0.759
1993	0.791
1994	1.144
1995	1.407
1996	1.568
1997	1.825
1998	1.930
1999	2.225
2000	2.373
2001	2.523
2002	2.715
2003	3.088
2004	3.425
2005	4.613
2006	6.154
2007	7.570
2008	7.457
2009	5.721
2010	6.498
2011	9.370
2012	10.138
2013	11.901
2014	15.164
2015	17.306
2016	18.578
2017	20.259
2018	22.223
2019	23.232
2020	15.222
2021	21.368
2022	29.317
2023	33.313
2024	33.253
2025	35.644
2026	38.096
2027	40.676
2028	43.255
2029	46.065