4 157 ฿ 3 400 ฿ 0 Jan 4 065 ฿ Feb 4 034 ฿ Mar 3 849 ฿ Apr 4 157 ฿ May 3 603 ฿ Jun 3 768 ฿ Jul 4 086 ฿ Aug 4 040 ฿ Sep 3 662 ฿ Oct 3 464 ฿ Nov 4 096 ฿ Dec 3 400 ฿