431 ฿ 399 ฿ 0 Jan 399 ฿ Feb 431 ฿ Mar 431 ฿ Apr 431 ฿ May 399 ฿ Jun 402 ฿ Jul 406 ฿ Aug 431 ฿ Sep 400 ฿ Oct 400 ฿ Nov 403 ฿ Dec 401 ฿