Year	National currency (Billions)
1980	5.342
1981	5.135
1982	5.029
1983	4.998
1984	5.213
1985	5.750
1986	5.793
1987	6.076
1988	6.399
1989	7.058
1990	7.584
1991	7.793
1992	8.352
1993	8.962
1994	8.744
1995	8.786
1996	9.665
1997	10.843
1998	11.111
1999	11.319
2000	11.800
2001	11.532
2002	11.672
2003	10.985
2004	10.672
2005	11.633
2006	12.727
2007	14.053
2008	13.758
2009	13.608
2010	14.468
2011	15.290
2012	15.874
2013	16.891
2014	17.688
2015	19.264
2016	21.599
2017	23.101
2018	24.242
2019	25.578
2020	22.575
2021	22.700
2022	26.100
2023	27.060
2024	27.934
2025	28.992
2026	30.082
2027	31.194
2028	32.331
2029	33.491