Year	National currency (Billions)
1991	-0.724
1992	-0.544
1993	-0.541
1994	-0.519
1995	-0.883
1996	-1.125
1997	-0.891
1998	-0.739
1999	-0.871
2000	-0.993
2001	-0.957
2002	-0.879
2003	-0.981
2004	-0.856
2005	-1.137
2006	-1.120
2007	-1.290
2008	-0.359
2009	-1.592
2010	-0.302
2011	-2.163
2012	-3.620
2013	-5.574
2014	-2.658
2015	-4.444
2016	-5.592
2017	-5.720
2018	-4.819
2019	-4.431
2020	-10.824
2021	-9.938
2022	-9.562
2023	-10.547
2024	-9.444
2025	-9.214
2026	-10.055
2027	-11.114
2028	-12.454
2029	-13.678