616 ฿ 538 ฿ 0 Jan 616 ฿ Feb 585 ฿ Mar 585 ฿ Apr 554 ฿ May 553 ฿ Jun 567 ฿ Jul 551 ฿ Aug 538 ฿ Sep 544 ฿ Oct 543 ฿ Nov 554 ฿ Dec 585 ฿