1 663 ฿ 1 432 ฿ 0 Jan 1 470 ฿ Feb 1 472 ฿ Mar 1 512 ฿ Apr 1 473 ฿ May 1 505 ฿ Jun 1 632 ฿ Jul 1 478 ฿ Aug 1 632 ฿ Sep 1 663 ฿ Oct 1 432 ฿ Nov 1 510 ฿ Dec 1 513 ฿