2 offspring at 3 years
 0 offspring at 4 years
 1 offspring at 5 years
 1 offspring at 3 years
 1 offspring at 4 years
 2 offspring at 3 years
 3 offspring at 3 years
 4 offspring at 4 years
 4 offspring at 4 years
 3 offspring at 5 years
 3 offspring at 3 years
 3 offspring at 4 years
 6 offspring at 4 years
 0 offspring at 5 years
 0 offspring at 3 years
 1 offspring at 4 years
 2 offspring at 3 years
 2 offspring at 3 years
 3 offspring at 3 years
 3 offspring at 5 years
 3 offspring at 4 years
 4 offspring at 5 years
 4 offspring at 4 years
 3 offspring at 3 years
 3 offspring at 5 years