1 597 ฿ 1 410 ฿ 0 Jan 1 430 ฿ Feb 1 530 ฿ Mar 1 597 ฿ Apr 1 439 ฿ May 1 430 ฿ Jun 1 434 ฿ Jul 1 597 ฿ Aug 1 430 ฿ Sep 1 410 ฿ Oct 1 438 ฿ Nov 1 530 ฿ Dec 1 440 ฿