Year	National currency (Billions)
2002	-0.139
2003	-0.149
2004	-0.105
2005	-0.116
2006	-0.366
2007	-0.598
2008	-1.082
2009	-1.173
2010	-1.012
2011	-0.436
2012	-0.088
2013	-0.304
2014	-0.252
2015	-0.414
2016	-0.170
2017	-0.352
2018	-0.616
2019	-0.409
2020	-0.912
2021	-2.474
2022	-1.997
2023	-0.796
2024	-1.017
2025	-0.984
2026	-0.805
2027	-0.559
2028	-0.630
2029	-0.637