1 878 ฿ 1 509 ฿ 0 Jan 1 878 ฿ Feb 1 878 ฿ Mar 1 878 ฿ Apr 1 848 ฿ May 1 538 ฿ Jun 1 601 ฿ Jul 1 594 ฿ Aug 1 632 ฿ Sep 1 632 ฿ Oct 1 601 ฿ Nov 1 509 ฿ Dec 1 509 ฿