Year National currency (Billions) 1980 8321.485 1981 8133.458 1982 7540.914 1983 7756.541 1984 8379.273 1985 8439.738 1986 8906.983 1987 9331.359 1988 9651.625 1989 10198.484 1990 10565.629 1991 10804.736 1992 11798.891 1993 12636.281 1994 13207.318 1995 13755.944 1996 13941.713 1997 14705.184 1998 15757.385 1999 16421.529 2000 17056.832 2001 17652.315 2002 18255.473 2003 19043.594 2004 19886.197 2005 20677.005 2006 22191.946 2007 24015.044 2008 25152.919 2009 24933.219 2010 26269.725 2011 27426.423 2012 28765.543 2013 29483.176 2014 30527.503 2015 31642.392 2016 32972.740 2017 34343.648 2018 35242.045 2019 36094.025 2020 34551.600 2021 37293.532 2022 38990.944 2023 40984.131 2024 42623.122 2025 44116.688 2026 45574.182 2027 47078.129 2028 48631.708 2029 50236.554