3 646 ฿ 3 372 ฿ 0 Jan 3 443 ฿ Feb 3 409 ฿ Mar 3 443 ฿ Apr 3 546 ฿ May 3 608 ฿ Jun 3 608 ฿ Jul 3 646 ฿ Aug 3 620 ฿ Sep 3 511 ฿ Oct 3 515 ฿ Nov 3 372 ฿ Dec 3 513 ฿