1.六个月 8.96% (6)
2.七个月 1.49% (1)
3.八个月 7.46% (5)
4.九个月 0.00% (0)
5.十个月 5.97% (4)
6.十一个月 2.99% (2)
7.十二个月 16.42% (11)
8.一岁一个月 7.46% (5)
9.一岁二个月 7.46% (5)
10.一岁三个月 4.48% (3)
11.一岁四个月 1.49% (1)
12.一岁五个月 1.49% (1)
13.一岁半以后 26.87% (18)
14.两岁以后 7.46% (5)
