Year National Currency 1970-01-01 123507450445 1971-01-01 129320264859 1972-01-01 138761849099 1973-01-01 147817497378 1974-01-01 155415243278 1975-01-01 160037836356 1976-01-01 168802936790 1977-01-01 173383308044 1978-01-01 181291436960 1979-01-01 191894378119 1980-01-01 196200179151 1981-01-01 202390606132 1982-01-01 197020273748 1983-01-01 201796962685 1984-01-01 213049644334 1985-01-01 226529676438 1986-01-01 236405363767 1987-01-01 248952196310 1988-01-01 260247496037 1989-01-01 269998132631 1990-01-01 272010509738 1991-01-01 266810083526 1992-01-01 272997656634 1993-01-01 280485539030 1994-01-01 297115088949 1995-01-01 307316256585 1996-01-01 314655498780 1997-01-01 330883527660 1998-01-01 348959397475 1999-01-01 372402314758 2000-01-01 393521058614 2001-01-01 409997926152 2002-01-01 423929657139 2003-01-01 435002651858 2004-01-01 451797003348 2005-01-01 471087819999 2006-01-01 491218263873 2007-01-01 508108886167 2008-01-01 521704181112 2009-01-01 513457718446 2010-01-01 525504022128