Year	National currency (Billions)
1991	0.007
1992	-0.026
1993	0.012
1994	-0.043
1995	-0.143
1996	-0.337
1997	-0.359
1998	-0.267
1999	0.907
2000	0.672
2001	0.703
2002	0.584
2003	-0.365
2004	-5.605
2005	1.184
2006	-2.471
2007	-10.652
2008	-21.627
2009	-31.210
2010	-26.935
2011	-15.672
2012	-4.386
2013	-4.840
2014	-3.214
2015	-0.767
2016	-9.451
2017	-15.032
2018	-13.455
2019	-36.445
2020	-88.015
2021	-62.510
2022	-53.004
2023	-60.132
2024	-69.398
2025	-77.703
2026	-84.159
2027	-83.218
2028	-78.881
2029	-83.297