1 694 ฿ 1 448 ฿ 0 Jan 1 509 ฿ Feb 1 694 ฿ Mar 1 540 ฿ Apr 1 571 ฿ May 1 448 ฿ Jun 1 509 ฿ Jul 1 571 ฿ Aug 1 509 ฿ Sep 1 509 ฿ Oct 1 509 ฿ Nov 1 509 ฿ Dec 1 509 ฿