Year National currency (Billions) 1997 -75.494 1998 -71.925 1999 -140.802 2000 -79.549 2001 -136.704 2002 -313.221 2003 -166.037 2004 66.653 2005 -37.710 2006 -164.256 2007 -246.007 2008 -769.393 2009 -787.983 2010 -2496.413 2011 -1417.212 2012 -1848.350 2013 -2668.424 2014 -2476.056 2015 -2531.785 2016 -2730.211 2017 -4364.208 2018 -3837.335 2019 -6746.807 2020 -10954.309 2021 -11509.914 2022 -11072.254 2023 -9735.358 2024 -8717.872 2025 -8558.190 2026 -9778.802 2027 -9934.970 2028 -8821.923 2029 -9491.877