Year National currency (Billions) 1992 6.443 1993 7.802 1994 9.045 1995 10.561 1996 12.147 1997 13.837 1998 15.352 1999 17.227 2000 18.853 2001 21.148 2002 23.549 2003 25.613 2004 27.628 2005 29.114 2006 31.470 2007 35.074 2008 37.926 2009 36.255 2010 36.364 2011 37.059 2012 36.253 2013 36.454 2014 37.634 2015 38.853 2016 40.443 2017 43.011 2018 45.876 2019 48.582 2020 47.045 2021 52.279 2022 57.038 2023 63.090 2024 66.861 2025 69.957 2026 73.296 2027 76.789 2028 80.496 2029 84.373