Year	National currency (Billions)
2000	-1.006
2001	-2.829
2002	-2.489
2003	-1.783
2004	-1.427
2005	-1.727
2006	-1.241
2007	1.793
2008	3.012
2009	0.595
2010	0.290
2011	-1.093
2012	3.402
2013	-3.598
2014	-2.900
2015	-5.444
2016	-2.144
2017	3.431
2018	1.681
2019	-25.428
2020	-35.481
2021	-8.208
2022	-3.472
2023	-8.100
2024	-11.730
2025	-5.213
2026	-3.953
2027	-2.042
2028	-2.052
2029	-2.443