Year National Currency 1980-01-01 19150833896.5 1981-01-01 20687209642.0 1982-01-01 21198266181.8 1983-01-01 20735942762.5 1984-01-01 22244104596.1 1985-01-01 22700656988.0 1986-01-01 23601578491.5 1987-01-01 24326804271.4 1988-01-01 26156219964.9 1989-01-01 27369418174.8 1990-01-01 28976328699.8 1991-01-01 29962533164.2 1992-01-01 31353350773.5 1993-01-01 31270632713.8 1994-01-01 32776229646.5 1995-01-01 34649889883.7 1996-01-01 36140549882.2 1997-01-01 37902906530.7 1998-01-01 39364805847.5 1999-01-01 41543886411.7 2000-01-01 43455553832.0 2001-01-01 44283494299.0 2002-01-01 45531830259.0 2003-01-01 45790064463.0 2004-01-01 47449005043.0 2005-01-01 49867349999.0 2006-01-01 52310784061.0 2007-01-01 54053558970.0 2008-01-01 55647635036.0 2009-01-01 54965333763.0 2010-01-01 55705768328.0