647 ฿ 578 ฿ 0 Jan 647 ฿ Feb 585 ฿ Mar 616 ฿ Apr 647 ฿ May 607 ฿ Jun 609 ฿ Jul 611 ฿ Aug 608 ฿ Sep 578 ฿ Oct 615 ฿ Nov 585 ฿ Dec 615 ฿