Year	National currency (Billions)
1992	1.696
1993	1.956
1994	2.670
1995	3.052
1996	3.683
1997	4.138
1998	4.611
1999	5.008
2000	5.262
2001	6.585
2002	7.878
2003	9.347
2004	11.834
2005	13.064
2006	14.411
2007	15.682
2008	14.186
2009	19.936
2010	24.439
2011	31.749
2012	34.669
2013	30.104
2014	40.040
2015	30.953
2016	33.366
2017	28.702
2018	30.235
2019	29.876