Year National Currency 1988-01-01 5124252316.7 1989-01-01 5522127641.4 1990-01-01 6093326246.3 1991-01-01 6681333458.7 1992-01-01 7361400476.1 1993-01-01 7675489151.3 1994-01-01 8246991221.8 1995-01-01 8577200992.0 1996-01-01 8748505106.2 1997-01-01 8946346207.0 1998-01-01 9152070479.4 1999-01-01 9287347452.8 2000-01-01 9426629290.6 2001-01-01 9265047710.5 2002-01-01 9304781201.9 2003-01-01 9361596686.3 2004-01-01 9389196089.8 2005-01-01 9608595405.1 2006-01-01 9979071157.5 2007-01-01 10637712450.8 2008-01-01 11348456300.2 2009-01-01 11394838361.2 2010-01-01 11604517319.1