Year	National currency (Billions)
1995	-0.055
1996	-0.236
1997	-0.404
1998	-0.349
1999	-0.395
2000	-0.237
2001	-0.241
2002	-0.491
2003	-0.759
2004	-0.514
2005	-0.330
2006	-0.167
2007	0.565
2008	0.165
2009	-1.015
2010	-0.912
2011	-1.122
2012	-1.082
2013	-0.931
2014	-0.041
2015	0.012
2016	0.049
2017	0.385
2018	-0.784
2019	0.291
2020	-1.267
2021	-0.482
2022	0.677
2023	0.876
2024	0.793
2025	0.818
2026	0.817
2027	0.517
2028	0.389
2029	0.332