2.5G-3G
2007-11-01
2007-10-01
2007-09-01
2007-08-01
2007-07-01
2007-06-01
2007-05-01
2007-04-01
2007-03-01
2007-02-01
2007-01-01
2006-12-01
2006-11-01
2006-10-01
2006-09-01
2006-08-01
2006-07-01
2006-06-01
2006-05-01
2006-04-01
2006-03-01
2006-02-01
2006-01-01
2005-12-01
2005-11-01
2005-09-01
2005-08-01
2005-07-01
2005-06-01
2005-05-01
2005-04-01
2005-03-01
2005-02-01
2005-01-01
2004-12-01
2004-11-01
2004-10-01
2004-08-01
2004-07-01
2004-06-01
2004-05-01
2004-04-01
2004-03-01
2004-02-01
2004-01-01
2003-11-01
2003-10-01
2003-09-01
2003-08-01
2003-07-01
2003-06-01
2003-05-01
2003-04-01
2003-03-01
2003-02-01
2003-01-01
2002-12-01
2002-11-01
2002-10-01
2002-09-01
2002-08-01
2002-07-01
2002-06-01
2002-05-01
2002-04-01
2002-03-01
2002-02-01