Year	National currency (Billions)
1995	-0.431
1996	0.034
1997	-0.813
1998	-2.702
1999	-3.804
2000	-2.640
2001	-3.105
2002	-1.770
2003	-4.525
2004	-2.080
2005	-3.594
2006	-4.471
2007	-3.772
2008	-4.777
2009	-9.672
2010	-10.960
2011	-10.357
2012	-9.446
2013	-9.010
2014	-8.594
2015	-7.008
2016	-5.573
2017	-7.288
2018	-10.369
2019	-13.281
2020	-29.463
2021	-7.771
2022	-12.562
2023	-10.879
2024	-15.174
2025	-22.165
2026	-25.616
2027	-28.830
2028	-26.171
2029	-24.946