2011換題時間
換題日 ---間隔天數
01/28/2011 --- 35
02/25/2011 --- 28
03/27/2011 --- 30
05/03/2011 --- 37
06/03/2011 --- 31
07/05/2011 --- 32
07/28/2011 --- 23
08/20/2011 --- 23
09/24/2011 --- 35
10/27/2011 --- 31
12/01/2011 --- 35
12/27/2011 --- 26
平均天數 --- 30.5