Year	National currency (Billions)
1990	-0.269
1991	-0.254
1992	-0.386
1993	-0.496
1994	-0.186
1995	-0.324
1996	-0.111
1997	-0.157
1998	-0.198
1999	-0.262
2000	-0.346
2001	-0.352
2002	-0.377
2003	-0.429
2004	-0.287
2005	-1.093
2006	-0.790
2007	-0.678
2008	-2.733
2009	-4.865
2010	-3.894
2011	-2.640
2012	-2.027
2013	-0.860
2014	-0.430
2015	-2.821
2016	-5.582
2017	-1.252
2018	-2.947
2019	-4.382
2020	-12.057
2021	-9.340
2022	-7.154
2023	-9.886
2024	-8.418
2025	-6.015
2026	-3.828
2027	-2.140
2028	-1.489
2029	-0.838