Year National currency (Billions) 1992 0.159 1993 2.219 1994 6.277 1995 7.829 1996 8.910 1997 10.080 1998 12.223 1999 13.032 2000 13.075 2001 13.036 2002 13.798 2003 15.340 2004 16.328 2005 16.651 2006 17.460 2007 19.884 2008 21.371 2009 21.821 2010 21.255 2011 21.816 2012 21.051 2013 21.483 2014 21.799 2015 21.834 2016 21.815 2017 21.893 2018 23.487 2019 24.251 2020 27.313 2021 28.360 2022 30.537 2023 35.052 2024 38.546 2025 40.799 2026 42.180 2027 42.141 2028 44.194 2029 46.532