770 ฿ 677 ฿ 0 Jan 686 ฿ Feb 690 ฿ Mar 770 ฿ Apr 677 ฿ May 686 ฿ Jun 687 ฿ Jul 685 ฿ Aug 681 ฿ Sep 677 ฿ Oct 677 ฿ Nov 677 ฿ Dec 677 ฿