1 878 ฿ 1 708 ฿ 0 Jan 1 708 ฿ Feb 1 718 ฿ Mar 1 718 ฿ Apr 1 712 ฿ May 1 720 ฿ Jun 1 720 ฿ Jul 1 718 ฿ Aug 1 718 ฿ Sep 1 714 ฿ Oct 1 719 ฿ Nov 1 878 ฿ Dec 1 817 ฿