Year	National currency (Billions)
1990	-0.030
1991	-0.121
1992	-0.249
1993	-0.095
1994	-0.072
1995	-0.016
1996	-0.259
1997	-0.202
1998	-0.322
1999	-0.348
2000	-0.406
2001	-0.607
2002	-0.697
2003	-0.560
2004	-0.379
2005	-0.510
2006	-0.547
2007	-0.395
2008	-0.684
2009	-1.170
2010	-0.916
2011	-0.907
2012	-0.814
2013	-0.980
2014	-0.908
2015	-0.851
2016	-0.751
2017	-0.632
2018	-0.704
2019	-0.825
2020	-2.038
2021	-1.606
2022	-0.860
2023	-1.607
2024	-1.331
2025	-1.390
2026	-1.485
2027	-1.828
2028	-2.160
2029	-2.227