Year National currency (Billions) 1994 8.561 1995 9.885 1996 10.882 1997 12.969 1998 15.458 1999 17.682 2000 17.588 2001 16.838 2002 16.847 2003 18.071 2004 20.631 2005 23.003 2006 23.831 2007 23.891 2008 26.230 2009 31.796 2010 36.199 2011 40.025 2012 47.075 2013 48.801 2014 50.054 2015 54.308 2016 59.165 2017 58.054 2018 58.442 2019 61.073 2020 53.466 2021 58.496 2022 64.389 2023 68.432