554 ฿ 490 ฿ 0 Jan 524 ฿ Feb 554 ฿ Mar 524 ฿ Apr 493 ฿ May 503 ฿ Jun 516 ฿ Jul 518 ฿ Aug 515 ฿ Sep 490 ฿ Oct 521 ฿ Nov 493 ฿ Dec 521 ฿