Year Total 1990 14270000 1991 14410000 1992 14780000 1993 14910000 1994 15050000 1995 15080000 1996 13180000 1997 13460000 1998 13630000 1999 13800000 2000 14110000 2001 14950000 2002 13950000 2003 13390000 2004 15120000 2005 14850000 2006 14910000 2007 15220000 2008 14170000 2009 14980000 2010 14310000