Year	National currency (Billions)
1990	-0.282
1991	-0.275
1992	-0.408
1993	-0.527
1994	-0.213
1995	-0.311
1996	-0.125
1997	-0.112
1998	-0.184
1999	-0.270
2000	-0.367
2001	-0.390
2002	-0.421
2003	-0.464
2004	-0.354
2005	-1.163
2006	-0.912
2007	-0.755
2008	-2.886
2009	-5.383
2010	-4.499
2011	-3.294
2012	-3.062
2013	-1.766
2014	-1.375
2015	-4.135
2016	-6.728
2017	-2.239
2018	-4.299
2019	-5.763
2020	-13.532
2021	-11.438
2022	-10.588
2023	-13.786
2024	-13.510
2025	-11.386
2026	-9.029
2027	-7.591
2028	-7.127
2029	-6.717