Year	National currency (Billions)
1992	-0.148
1993	-0.203
1994	0.105
1995	0.369
1996	0.466
1997	0.352
1998	0.324
1999	0.151
2000	0.481
2001	0.231
2002	0.155
2003	0.752
2004	0.795
2005	0.995
2006	1.683
2007	2.339
2008	1.258
2009	-1.293
2010	1.554
2011	1.366
2012	-0.076
2013	-2.757
2014	-2.646
2015	-1.695
2016	-1.839
2017	-0.270
2018	-0.196
2019	-1.586
2020	-5.145
2021	-4.021
2022	-3.279
2023	-2.166
2024	-1.842
2025	-0.388
2026	1.279
2027	3.524
2028	3.040
2029	3.332