Year National currency (Billions) 2000 11.528 2001 15.710 2002 19.179 2003 24.674 2004 22.900 2005 26.829 2006 28.685 2007 31.565 2008 36.837 2009 41.279 2010 49.314 2011 54.472 2012 59.483 2013 69.969 2014 81.875 2015 84.009 2016 83.826 2017 83.347 2018 80.756 2019 77.796