Year	National currency (Billions)
1995	-0.001
1996	0.005
1997	0.005
1998	-0.007
1999	-0.011
2000	-0.008
2001	-0.013
2002	0.017
2003	0.006
2004	-0.037
2005	-0.014
2006	-0.014
2007	-0.009
2008	-0.004
2009	0.005
2010	0.001
2011	-0.002
2012	0.003
2013	0.009
2014	0.036
2015	0.033
2016	0.024
2017	0.052
2018	0.097
2019	0.077
2020	0.024
2021	0.017
2022	0.034
2023	0.007
2024	0.006
2025	-0.002
2026	-0.005
2027	-0.006
2028	-0.006
2029	-0.009