Year	National currency (Billions)
1995	-0.123
1996	-0.235
1997	-0.318
1998	-0.206
1999	-0.275
2000	-0.119
2001	-0.049
2002	-0.014
2003	-0.048
2004	0.363
2005	0.256
2006	0.466
2007	0.141
2008	-0.377
2009	-1.177
2010	-0.992
2011	-0.211
2012	-0.198
2013	-0.364
2014	-0.564
2015	-0.402
2016	-0.545
2017	-0.187
2018	-0.364
2019	-0.907
2020	-4.559
2021	-3.627
2022	-1.865
2023	-1.878
2024	-2.221
2025	-2.115
2026	-2.310
2027	-2.513
2028	-2.732
2029	-2.978