Year National currency (Billions) 1990 0.735 1991 1.014 1992 1.167 1993 1.317 1994 1.358 1995 1.718 1996 1.693 1997 1.937 1998 2.114 1999 2.495 2000 2.740 2001 2.912 2002 3.136 2003 3.552 2004 3.779 2005 5.775 2006 7.066 2007 8.325 2008 10.342 2009 11.104 2010 10.996 2011 12.664 2012 13.200 2013 13.666 2014 16.539 2015 21.441 2016 25.307 2017 22.498 2018 26.522 2019 28.995 2020 28.754 2021 32.806 2022 39.905 2023 47.100 2024 46.763 2025 47.030 2026 47.125 2027 48.267 2028 50.383 2029 52.782