Year National currency (Billions) 1993 9.198 1994 9.047 1995 9.242 1996 9.699 1997 10.964 1998 11.440 1999 11.392 2000 12.541 2001 13.294 2002 14.194 2003 15.273 2004 16.312 2005 17.866 2006 19.610 2007 21.097 2008 20.014 2009 17.086 2010 17.504 2011 18.775 2012 19.381 2013 19.664 2014 20.256 2015 20.631 2016 21.282 2017 22.515 2018 23.367 2019 24.310 2020 24.075 2021 25.820 2022 25.701 2023 24.929 2024 24.797 2025 25.338 2026 25.845 2027 26.342 2028 26.873 2029 27.426