Year National currency (Billions) 1980 16.264 1981 16.451 1982 16.588 1983 17.158 1984 16.989 1985 17.597 1986 18.592 1987 19.106 1988 19.661 1989 19.382 1990 18.775 1991 20.571 1992 23.415 1993 26.538 1994 29.322 1995 28.311 1996 30.180 1997 28.265 1998 29.589 1999 30.138 2000 29.386 2001 29.350 2002 29.303 2003 31.954 2004 32.139 2005 33.505 2006 34.355 2007 37.040 2008 36.931 2009 39.442 2010 43.437 2011 43.918 2012 45.963 2013 47.721 2014 54.185 2015 57.747 2016 60.919 2017 63.072 2018 62.896 2019 65.714 2020 63.633 2021 63.136 2022 66.397 2023 68.177 2024 71.259 2025 73.895 2026 76.444 2027 78.787 2028 81.236 2029 83.764