1 872 ฿ 1 763 ฿ 0 Jan 1 872 ฿ Feb 1 766 ฿ Mar 1 765 ฿ Apr 1 766 ฿ May 1 767 ฿ Jun 1 766 ฿ Jul 1 767 ฿ Aug 1 768 ฿ Sep 1 766 ฿ Oct 1 766 ฿ Nov 1 763 ฿ Dec 1 764 ฿