Year National currency (Billions) 2000 -39.546 2001 -39.561 2002 -45.940 2003 -27.583 2004 -22.833 2005 -33.836 2006 -17.668 2007 -23.988 2008 -26.115 2009 -9.358 2010 3.864 2011 -2.323 2012 -0.389 2013 -5.762 2014 -13.502 2015 -10.998 2016 -5.504 2017 -8.434 2018 -3.697 2019 6.113 2020 26.727 2021 30.100 2022 29.345 2023 32.801 2024 40.009 2025 45.869 2026 45.574 2027 44.279 2028 42.176 2029 40.267