Year	National currency (Billions)
1990	9.635
1991	10.581
1992	7.782
1993	8.347
1994	6.913
1995	7.623
1996	20.817
1997	23.225
1998	24.233
1999	31.746
2000	9.902
2001	0.461
2002	-5.103
2003	-3.163
2004	-1.689
2005	-15.381
2006	6.710
2007	18.340
2008	23.039
2009	4.247
2010	-15.844
2011	-35.678
2012	-40.122
2013	-22.515
2014	-22.233
2015	-21.381
2016	-21.538
2017	-10.066
2018	-14.071
2019	-17.685
2020	-53.584
2021	-49.182
2022	-43.050
2023	-33.228
2024	-29.228
2025	-20.041
2026	-13.302
2027	-10.443
2028	-10.220
2029	-9.478