1 694 ฿ 1 517 ฿ 0 Jan 1 555 ฿ Feb 1 555 ฿ Mar 1 694 ฿ Apr 1 540 ฿ May 1 552 ฿ Jun 1 552 ฿ Jul 1 517 ฿ Aug 1 552 ฿ Sep 1 526 ฿ Oct 1 559 ฿ Nov 1 542 ฿ Dec 1 571 ฿