1 971 ฿ 1 639 ฿ 0 Jan 1 971 ฿ Feb 1 755 ฿ Mar 1 848 ฿ Apr 1 678 ฿ May 1 639 ฿ Jun 1 771 ฿ Jul 1 854 ฿ Aug 1 955 ฿ Sep 1 791 ฿ Oct 1 679 ฿ Nov 1 971 ฿ Dec 1 755 ฿