Year	National currency (Billions)
1995	0.216
1996	0.332
1997	0.765
1998	0.765
1999	0.694
2000	0.977
2001	1.168
2002	0.422
2003	0.140
2004	-0.368
2005	0.097
2006	0.464
2007	0.738
2008	0.840
2009	0.303
2010	0.050
2011	0.653
2012	0.712
2013	0.716
2014	0.916
2015	0.925
2016	0.631
2017	0.597
2018	1.808
2019	1.194
2020	0.707
2021	0.302
2022	-0.275
2023	0.169
2024	-0.549
2025	-0.955
2026	-1.061
2027	-1.282
2028	-1.459
2029	-1.612