Year	National currency (Billions)
1991	-0.631
1992	-0.551
1993	-0.894
1994	-0.406
1995	-0.723
1996	-0.519
1997	-0.160
1998	-2.223
1999	-0.191
2000	-2.350
2001	-1.247
2002	-1.328
2003	-0.518
2004	0.326
2005	0.801
2006	0.236
2007	0.146
2008	-0.026
2009	-0.535
2010	-1.708
2011	-1.511
2012	-1.178
2013	-0.176
2014	1.078
2015	-7.167
2016	-0.628
2017	-1.139
2018	6.303
2019	3.021
2020	-2.043
2021	2.476
2022	-7.503
2023	-4.105
2024	-11.037
2025	-11.528
2026	-12.112
2027	-12.584
2028	-13.631
2029	-15.411