Year	National currency (Billions)
2001	14.756
2002	14.891
2003	14.615
2004	14.148
2005	14.403
2006	15.121
2007	14.779
2008	15.207
2009	11.819
2010	12.564
2011	14.697
2012	16.473
2013	22.123
2014	28.456
2015	34.968
2016	44.555
2017	49.051
2018	52.763
2019	55.580
2020	60.471
2021	66.156
2022	66.407
2023	65.695