647 ฿ 583 ฿ 0 Jan 647 ฿ Feb 647 ฿ Mar 616 ฿ Apr 616 ฿ May 590 ฿ Jun 587 ฿ Jul 586 ฿ Aug 589 ฿ Sep 583 ฿ Oct 585 ฿ Nov 585 ฿ Dec 616 ฿