Year National Currency 1990-01-01 7510053084.0 1991-01-01 7398317813.9 1992-01-01 7432298918.5 1993-01-01 7752169602.5 1994-01-01 8405621087.7 1995-01-01 8795453652.8 1996-01-01 9208022312.4 1997-01-01 9291114924.3 1998-01-01 9081850841.6 1999-01-01 9173292740.6 2000-01-01 9306156193.3 2001-01-01 9908092081.9 2002-01-01 10583972602.5 2003-01-01 11231221835.8 2004-01-01 11961702073.0 2005-01-01 12427671020.8 2006-01-01 12509910869.9 2007-01-01 12853149478.4 2008-01-01 13218273470.5 2009-01-01 12235766224.4 2010-01-01 12336646153.7