501 ฿ 398 ฿ 0 Jan 400 ฿ Feb 405 ฿ Mar 501 ฿ Apr 403 ฿ May 398 ฿ Jun 400 ฿ Jul 400 ฿ Aug 400 ฿ Sep 401 ฿ Oct 400 ฿ Nov 401 ฿ Dec 399 ฿