1 571 ฿ 1 417 ฿ 0 Jan 1 417 ฿ Feb 1 540 ฿ Mar 1 509 ฿ Apr 1 478 ฿ May 1 571 ฿ Jun 1 509 ฿ Jul 1 421 ฿ Aug 1 417 ฿ Sep 1 417 ฿ Oct 1 417 ฿ Nov 1 417 ฿ Dec 1 417 ฿