Age groups (years)

Fertilization state

X1: 50 - 59

X2: 60 - 69

X3: ≥70

Y: 25 - 35

Total

Fertilized

329a

298b

225c

350d

1202

Not Fertilized

22a

52b

126c

0d

200

Total

351

350

351

350

1402