Year National Currency 1970-01-01 16736641401.9 1971-01-01 19578393039.9 1972-01-01 22136206584.6 1973-01-01 25425130246.7 1974-01-01 29269839416.1 1975-01-01 32188562262.0 1976-01-01 35296966177.1 1977-01-01 37997823675.2 1978-01-01 41199101060.6 1979-01-01 45274727128.0 1980-01-01 49993993906.0 1981-01-01 53717064667.0 1982-01-01 56811789741.0 1983-01-01 59123485987.0 1984-01-01 62490940808.0 1985-01-01 65781865201.0 1986-01-01 70196390616.0 1987-01-01 74613192598.0 1988-01-01 79216190073.0 1989-01-01 84938443255.0 1990-01-01 94583603024.0 1991-01-01 106109872107.0 1992-01-01 119762746913.0 1993-01-01 129897369414.0 1994-01-01 137657837838.0 1995-01-01 146141170835.0 1996-01-01 153386495934.0 1997-01-01 160035523712.0 1998-01-01 170400834007.0 1999-01-01 182058308465.0 2000-01-01 198704927494.0 2001-01-01 207246018313.0 2002-01-01 212903693969.0 2003-01-01 218736056611.0 2004-01-01 225325618692.0 2005-01-01 230125695492.0 2006-01-01 235791990998.0 2007-01-01 249057606719.0 2008-01-01 261565800147.0 2009-01-01 264907700128.0 2010-01-01 273191946924.0