Year	National currency (Billions)
1982	0.004
1983	0.025
1984	0.042
1985	0.027
1986	0.028
1988	0.010
1989	0.125
1990	0.227
1991	0.230
1992	0.162
1993	0.237
1994	0.183
1995	0.156
1996	-0.050
1997	-0.114
1998	-0.720
1999	-0.885
2000	0.054
2001	-0.082
2002	-0.005
2003	0.216
2004	0.755
2005	0.599
2006	1.707
2007	1.551
2008	1.289
2009	-0.512
2010	-0.176
2011	-1.751
2012	1.115
2013	-0.422
2014	1.031
2015	-0.121
2016	-2.667
2017	-0.338
2018	-1.137
2019	-1.474
2020	0.521
2021	-1.448
2022	-1.365
2023	2.138
2024	2.143
2025	-0.058
2026	-0.401
2027	-0.565
2028	-0.426
2029	-0.478