Year National Currency 1980-01-01 8866747810.5 1981-01-01 11476819572.6 1982-01-01 13278902782.3 1983-01-01 14863054946.0 1984-01-01 15061040107.8 1985-01-01 16771948080.2 1986-01-01 18495787877.9 1987-01-01 19590005716.3 1988-01-01 21463150901.8 1989-01-01 23702945632.3 1990-01-01 27228842571.1 1991-01-01 30836878700.9 1992-01-01 33160402105.5 1993-01-01 33257070559.3 1994-01-01 32394424255.6 1995-01-01 33119230514.3 1996-01-01 34429706216.9 1997-01-01 36756662770.1 1998-01-01 35354850840.9 1999-01-01 37622505250.9 2000-01-01 39715656163.1 2001-01-01 42713156679.1 2002-01-01 44927411108.0 2003-01-01 48536848535.0 2004-01-01 50899154922.0 2005-01-01 54152757345.0 2006-01-01 55898561497.0 2007-01-01 59538325147.0 2008-01-01 61888308893.0 2009-01-01 62715035074.0 2010-01-01 64292595987.0