1 909 ฿ 1 861 ฿ 0 Jan 1 878 ฿ Feb 1 909 ฿ Mar 1 878 ฿ Apr 1 909 ฿ May 1 868 ฿ Jun 1 861 ฿ Jul 1 878 ฿ Aug 1 878 ฿ Sep 1 878 ฿ Oct 1 892 ฿ Nov 1 909 ฿ Dec 1 878 ฿