Year National currency (Billions) 1995 6.713 1996 7.052 1997 7.640 1998 8.118 1999 8.893 2000 10.005 2001 10.450 2002 10.953 2003 11.438 2004 11.919 2005 13.092 2006 14.116 2007 15.714 2008 16.522 2009 16.590 2010 17.681 2011 18.684 2012 19.689 2013 20.659 2014 21.723 2015 22.561 2016 23.571 2017 24.806 2018 27.221 2019 28.298 2020 28.079 2021 31.431 2022 33.802 2023 36.799 2024 38.629 2025 41.595 2026 43.489 2027 45.682 2028 47.864 2029 50.255