1 663 ฿ 1 478 ฿ 0 Jan 1 601 ฿ Feb 1 632 ฿ Mar 1 663 ฿ Apr 1 632 ฿ May 1 540 ฿ Jun 1 478 ฿ Jul 1 478 ฿ Aug 1 478 ฿ Sep 1 478 ฿ Oct 1 478 ฿ Nov 1 478 ฿ Dec 1 478 ฿