Year	National currency (Billions)
1980	-2.011
1981	-2.707
1982	-7.121
1983	-6.997
1984	-8.963
1985	-12.604
1986	-12.535
1987	-7.735
1988	-8.903
1989	-8.776
1990	-12.767
1991	-16.451
1992	-16.499
1993	-27.781
1994	-26.995
1995	-31.267
1996	-28.681
1997	-20.028
1998	-14.594
1999	-7.382
2000	-7.520
2001	-3.189
2002	-2.374
2003	-3.009
2004	-0.818
2005	11.421
2006	21.322
2007	20.287
2008	-50.731
2009	-120.576
2010	-102.193
2011	-103.606
2012	-119.100
2013	-76.838
2014	-63.097
2015	-57.235
2016	-47.893
2017	-36.228
2018	-31.224
2019	-38.116
2020	-113.199
2021	-82.262
2022	-63.736
2023	-53.159
2024	-47.849
2025	-48.475
2026	-52.347
2027	-55.949
2028	-53.813
2029	-55.225