Year National currency (Billions) 1980 0.473 1981 0.554 1982 0.624 1983 0.666 1984 0.796 1985 0.951 1986 1.126 1987 1.373 1988 1.565 1989 1.818 1990 2.206 1991 2.691 1992 3.233 1993 3.793 1994 4.429 1995 5.484 1996 6.205 1997 7.679 1998 8.161 1999 8.903 2000 9.433 2001 9.822 2002 10.601 2003 13.467 2004 15.703 2005 14.891 2006 20.163 2007 23.915 2008 29.077 2009 30.020 2010 33.129 2011 40.511 2012 44.345 2013 50.633 2014 56.867 2015 63.147 2016 67.300 2017 73.153 2018 81.586 2019 86.284 2020 57.623 2021 83.098 2022 96.132 2023 103.011 2024 110.937 2025 121.696 2026 130.384 2027 139.375 2028 148.558 2029 158.346