Year	National currency (Billions)
1980	-4.905
1981	-3.011
1982	-11.939
1983	-9.825
1984	-10.861
1985	-16.096
1986	-13.486
1987	-8.954
1988	-13.889
1989	-17.614
1990	-19.679
1991	-23.482
1992	-19.077
1993	-19.684
1994	-21.657
1995	-17.938
1996	-11.197
1997	-6.207
1998	-9.338
1999	-5.844
2000	-9.244
2001	-8.433
2002	-7.903
2003	-9.675
2004	-9.982
2005	-3.095
2006	-0.790
2007	-7.736
2008	-70.337
2009	-108.300
2010	-85.953
2011	-75.671
2012	-30.352
2013	-19.187
2014	-13.331
2015	-24.147
2016	-28.583
2017	-28.020
2018	-26.354
2019	-37.832
2020	-54.937
2021	-50.497
2022	-60.282
2023	-54.092
2024	-48.849
2025	-50.850
2026	-53.641
2027	-56.160
2028	-54.199
2029	-55.595