1 597 ฿ 1 530 ฿ 0 Jan 1 530 ฿ Feb 1 597 ฿ Mar 1 597 ฿ Apr 1 530 ฿ May 1 530 ฿ Jun 1 530 ฿ Jul 1 530 ฿ Aug 1 530 ฿ Sep 1 530 ฿ Oct 1 530 ฿ Nov 1 530 ฿ Dec 1 530 ฿