Year National currency (Billions) 1993 0.743 1994 0.770 1995 0.877 1996 0.913 1997 1.136 1998 1.538 1999 1.800 2000 2.190 2001 2.889 2002 2.587 2003 2.906 2004 2.689 2005 2.729 2006 3.252 2007 3.940 2008 3.972 2009 3.182 2010 4.581 2011 5.140 2012 5.924 2013 6.661 2014 6.784 2015 10.180 2016 14.117 2017 16.427 2018 21.187 2019 25.731 2020 27.513 2021 29.487 2022 33.275 2023 34.738 2024 37.064 2025 40.451 2026 44.138 2027 47.903 2028 51.337 2029 55.666