Year	National currency (Billions)
2000	0.437
2001	-0.540
2002	-0.170
2003	-0.441
2004	0.152
2005	-0.018
2006	8.523
2007	0.192
2008	0.502
2009	-0.559
2010	-0.994
2011	-0.951
2012	-2.408
2013	-7.447
2014	-5.365
2015	-11.056
2016	-4.850
2017	-8.640
2018	-9.761
2019	-7.502
2020	-26.027
2021	-9.074
2022	-7.835
2023	1.136
2024	5.574
2025	11.754
2026	6.942
2027	15.095
2028	20.678
2029	21.061