1 755 ฿ 1 537 ฿ 0 Jan 1 540 ฿ Feb 1 571 ฿ Mar 1 694 ฿ Apr 1 755 ฿ May 1 537 ฿ Jun 1 539 ฿ Jul 1 540 ฿ Aug 1 537 ฿ Sep 1 571 ฿ Oct 1 548 ฿ Nov 1 571 ฿ Dec 1 601 ฿