Year National currency (Billions) 1995 0.410 1996 0.457 1997 0.394 1998 0.473 1999 0.959 2000 0.620 2001 0.689 2002 0.721 2003 0.762 2004 0.828 2005 0.858 2006 0.993 2007 1.135 2008 1.293 2009 1.683 2010 2.115 2011 2.587 2012 3.192 2013 3.595 2014 5.035 2015 9.778 2016 12.453 2017 15.832 2018 14.966 2019 14.460 2020 15.479 2021 24.558 2022 23.210 2023 23.935 2024 24.456 2025 26.179 2026 27.745 2027 29.492 2028 33.099 2029 36.658