Year	National currency (Billions)
1986	-2.901
1987	-2.822
1988	-1.714
1989	-1.634
1990	-3.846
1991	-5.124
1992	-3.773
1993	-6.122
1994	-6.070
1995	-4.579
1996	-4.370
1997	-3.739
1998	-4.793
1999	-3.573
2000	-4.363
2001	-6.495
2002	-5.391
2003	-8.203
2004	-9.088
2005	-9.682
2006	-6.795
2007	-5.152
2008	-6.626
2009	-17.318
2010	-20.473
2011	-13.495
2012	-10.400
2013	-8.703
2014	-12.649
2015	-7.811
2016	-3.609
2017	-5.792
2018	-0.716
2019	0.177
2020	-11.685
2021	-6.215
2022	-0.779
2023	2.545
2024	0.668
2025	0.645
2026	0.676
2027	0.694
2028	0.763
2029	0.730