Year	National currency (Billions)
2000	-0.076
2001	0.082
2002	0.098
2003	0.047
2004	-0.138
2005	-0.070
2006	0.085
2007	0.237
2008	0.001
2009	0.058
2010	-0.041
2011	-0.047
2012	-0.128
2013	-0.173
2014	-0.141
2015	-0.120
2016	-0.103
2017	-0.091
2018	-0.191
2019	-0.207
2020	-0.529
2021	-0.099
2022	-0.065
2023	-0.020
2024	-0.112
2025	-0.131
2026	-0.139
2027	-0.146
2028	-0.159
2029	-0.157