Year National currency (Billions) 1980 24.098 1981 25.153 1982 25.651 1983 26.423 1984 28.953 1985 29.243 1986 29.199 1987 28.354 1988 27.874 1989 28.301 1990 31.611 1991 32.606 1992 33.449 1993 33.695 1994 36.755 1995 37.124 1996 37.988 1997 39.852 1998 40.321 1999 40.457 2000 42.854 2001 41.398 2002 39.246 2003 40.929 2004 42.561 2005 44.819 2006 48.611 2007 50.009 2008 52.810 2009 54.414 2010 55.099 2011 56.829 2012 57.403 2013 57.669 2014 59.478 2015 59.696 2016 62.495 2017 66.443 2018 68.370 2019 70.586 2020 67.062 2021 66.021 2022 67.286 2023 68.775 2024 70.817 2025 73.306 2026 75.590 2027 77.844 2028 79.785 2029 81.774