Year National Currency 1988-01-01 32132721351.6 1989-01-01 32958158086.3 1990-01-01 32878802623.6 1991-01-01 32470356889.3 1992-01-01 33306281219.4 1993-01-01 34964732220.1 1994-01-01 37401948022.8 1995-01-01 39575173686.5 1996-01-01 41106490419.0 1997-01-01 42187314380.0 1998-01-01 42797080907.0 1999-01-01 45236383990.0 2000-01-01 47387323288.0 2001-01-01 49499187190.0 2002-01-01 51785097480.0 2003-01-01 53216512810.0 2004-01-01 56003109147.0 2005-01-01 58819798541.0 2006-01-01 59920587673.0 2007-01-01 62349041445.0 2008-01-01 62448091280.0 2009-01-01 62021974944.0 2010-01-01 62851981436.0