Year Total 1991 707506800 1992 707506800 1993 707506800 1994 725375200 1995 725375200 1996 725375200 1997 725375200 1998 736560000 1999 736560000 2000 736560000 2001 736560000 2002 736560000 2003 1227600000 2004 1227600000 2005 1227600000 2006 1227600000 2007 4092000000 2008 4092000000 2009 4092000000 2010 4092000000 2011 4092000000 2012 4092000000 2013 4092000000 2014 4092000000 2015 4092000000 2016 4092000000