Year	National currency (Billions)
1990	-4.484
1991	-14.247
1992	0.176
1993	-5.092
1994	-14.438
1995	-19.865
1996	-15.851
1997	-6.954
1998	-29.617
1999	-13.436
2000	-48.479
2001	-51.719
2002	-17.116
2003	-7.516
2004	-36.612
2005	-52.003
2006	-54.796
2007	-63.215
2008	-96.954
2009	-166.684
2010	-93.423
2011	-93.477
2012	-80.466
2013	-53.383
2014	-209.223
2015	-240.701
2016	-29.431
2017	2.072
2018	91.421
2019	-295.030
2020	-930.093
2021	-1009.542
2022	-894.767