431 ฿ 370 ฿ 0 Jan 400 ฿ Feb 431 ฿ Mar 431 ฿ Apr 400 ฿ May 388 ฿ Jun 391 ฿ Jul 391 ฿ Aug 390 ฿ Sep 402 ฿ Oct 370 ฿ Nov 400 ฿ Dec 431 ฿