Year	National currency (Billions)
1997	-21.576
1998	-44.261
1999	-64.823
2000	-131.103
2001	-178.112
2002	-562.015
2003	-569.905
2004	-543.099
2005	-664.844
2006	746.828
2007	1298.550
2008	2866.252
2009	1155.828
2010	2049.808
2011	5293.620
2012	7396.342
2013	3123.578
2014	3327.650
2015	-892.236
2016	1421.207
2017	2947.054
2018	6018.036
2019	-2493.955
2020	-19804.500
2021	-35273.477
2022	-39249.568
2023	-48935.924
2024	-41623.774
2025	-30079.858
2026	-34256.375
2027	-37758.335
2028	-42371.945
2029	-47909.769