1 632 ฿ 1 417 ฿ 0 Jan 1 509 ฿ Feb 1 601 ฿ Mar 1 540 ฿ Apr 1 601 ฿ May 1 519 ฿ Jun 1 419 ฿ Jul 1 417 ฿ Aug 1 438 ฿ Sep 1 492 ฿ Oct 1 632 ฿ Nov 1 478 ฿ Dec 1 447 ฿