1 512 ฿ 1 489 ฿ 0 Jan 1 512 ฿ Feb 1 506 ฿ Mar 1 501 ฿ Apr 1 501 ฿ May 1 502 ฿ Jun 1 493 ฿ Jul 1 492 ฿ Aug 1 494 ฿ Sep 1 498 ฿ Oct 1 502 ฿ Nov 1 512 ฿ Dec 1 489 ฿