Year	National currency (Billions)
1980	-0.301
1981	-0.236
1982	-0.439
1983	-1.200
1984	-0.431
1985	-0.657
1986	-0.558
1987	-0.553
1988	-0.534
1989	-0.785
1990	-1.509
1991	-1.417
1992	-1.147
1993	-1.032
1994	-1.211
1995	-0.489
1996	-1.209
1997	-0.066
1998	-1.119
1999	-3.920
2000	-4.839
2001	-1.498
2002	-2.861
2003	-2.919
2004	-1.238
2005	-3.414
2006	-3.971
2007	-4.976
2008	-6.077
2009	-1.861
2010	-3.510
2011	-6.365
2012	-6.528
2013	-13.805
2014	-23.600
2015	-19.934
2016	-28.842
2017	-51.196
2018	-55.073
2019	-54.642
2020	-79.796
2021	-96.118
2022	-217.541
2023	-166.641
2024	-165.248
2025	-232.964
2026	-316.298
2027	-383.577
2028	-438.310
2029	-417.998