Year	National currency (Billions)
1992	-0.053
1993	-0.050
1994	-0.006
1995	0.023
1996	-0.108
1997	-0.147
1998	0.186
1999	0.046
2000	-0.053
2001	-0.180
2002	-0.156
2003	-0.159
2004	-0.049
2005	-0.063
2006	-0.043
2007	0.018
2008	0.081
2009	-0.174
2010	-0.082
2011	-0.050
2012	-0.052
2013	-0.006
2014	-0.308
2015	-0.377
2016	-0.577
2017	-0.225
2018	-0.499
2019	-0.423
2020	-0.847
2021	-1.257
2022	-1.225
2023	-0.840
2024	-0.566
2025	-0.612
2026	-0.639
2027	-0.665
2028	-0.710
2029	-0.733