Year National currency (Billions) 1980 12828.209 1981 13276.888 1982 13303.441 1983 12970.855 1984 12711.438 1985 13169.050 1986 13801.164 1987 13732.159 1988 13888.705 1989 14298.422 1990 14142.569 1991 14148.226 1992 14112.856 1993 14087.453 1994 14111.598 1995 14897.855 1996 16109.899 1997 17031.813 1998 17871.597 1999 18160.675 2000 17785.040 2001 17806.626 2002 17509.675 2003 17271.625 2004 17484.372 2005 17785.321 2006 18054.919 2007 18373.595 2008 18840.806 2009 19453.406 2010 19845.906 2011 18881.923 2012 20933.260 2013 22874.180 2014 24885.753 2015 27086.367 2016 29029.000 2017 31180.660 2018 32690.374 2019 34887.656 2020 35132.154 2021 37613.284 2022 40194.464 2023 42686.520 2024 45461.144 2025 48370.657 2026 51418.009 2027 54554.507 2028 57827.778 2029 61297.444