Year	National currency (Billions)
1988	-3.081
1989	-4.816
1990	-6.329
1991	-5.900
1992	-7.393
1993	-8.268
1994	-6.755
1995	-9.206
1996	-8.548
1997	-7.514
1998	-8.641
1999	-8.246
2000	-6.042
2001	-8.476
2002	-9.768
2003	-14.391
2004	-18.099
2005	-11.864
2006	-14.610
2007	-18.232
2008	-25.895
2009	-33.273
2010	-18.390
2011	-6.443
2012	6.320
2013	10.798
2014	7.677
2015	8.491
2016	13.493
2017	12.796
2018	9.617
2019	5.557
2020	-4.634
2021	-7.666
2022	-3.686
2023	-3.634
2024	-2.780
2025	-2.961
2026	-3.238
2027	-3.566
2028	-3.722
2029	-3.887