Year National currency (Billions) 1996 0.008 1997 0.015 1998 0.032 1999 0.138 2000 0.419 2001 0.669 2002 0.972 2003 1.391 2004 1.909 2005 2.575 2006 3.238 2007 4.154 2008 6.588 2009 6.319 2010 6.841 2011 11.518 2012 21.495 2013 26.714 2014 31.368 2015 34.891 2016 37.053 2017 40.930 2018 48.499 2019 51.553 2020 52.664 2021 61.166 2022 61.509 2023 73.068 2024 80.157 2025 87.268 2026 93.684 2027 99.855 2028 106.185 2029 111.826