Year National currency (Billions) 1980 6.858 1981 6.728 1982 6.398 1983 6.430 1984 6.661 1985 6.735 1986 7.078 1987 7.262 1988 7.516 1989 7.787 1990 7.530 1991 7.236 1992 6.824 1993 6.878 1994 7.016 1995 7.158 1996 7.442 1997 7.795 1998 8.086 1999 8.112 2000 8.474 2001 8.273 2002 8.339 2003 8.520 2004 8.639 2005 8.982 2006 9.491 2007 9.700 2008 9.768 2009 9.272 2010 9.060 2011 8.999 2012 8.958 2013 8.832 2014 8.821 2015 9.037 2016 9.261 2017 9.198 2018 9.136 2019 9.166 2020 8.001 2021 7.895 2022 8.984 2023 9.380 2024 9.727 2025 9.999 2026 10.229 2027 10.434 2028 10.642 2029 10.855