Year	National currency (Billions)
1999	0.005
2000	0.004
2001	0.008
2002	0.010
2003	0.011
2004	0.020
2005	0.021
2006	0.008
2007	0.032
2008	0.014
2009	0.045
2010	-0.009
2011	-0.046
2012	-0.013
2013	-0.010
2014	0.051
2015	-0.023
2016	0.014
2017	0.036
2018	0.031
2019	0.037
2020	0.060
2021	-0.010
2022	-0.008
2023	0.005
2024	-0.092
2025	-0.120
2026	-0.144
2027	-0.166
2028	-0.198
2029	-0.214