524 ฿ 493 ฿ 0 Jan 524 ฿ Feb 524 ฿ Mar 493 ฿ Apr 524 ฿ May 503 ฿ Jun 504 ฿ Jul 504 ฿ Aug 508 ฿ Sep 507 ฿ Oct 499 ฿ Nov 509 ฿ Dec 501 ฿