| ? | Mother's Age | ||||||||||
| <15 | 15 | 16 | 17 | 18 | 19 | 20-24 | 25+ | N.S. | Total | ||
| Father's Age | Total | 0 | 3 | 7 | 10 | 18 | 20 | 124 | 292 | 0 | 474 |
| <15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 15 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 16 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 17 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | |
| 18 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | |
| 19 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 6 | |
| 20 | 0 | 0 | 1 | 0 | 2 | 3 | 5 | 0 | 0 | 11 | |
| 21 | 0 | 1 | 0 | 1 | 3 | 2 | 7 | 0 | 0 | 14 | |
| 22 | 0 | 0 | 0 | 1 | 2 | 2 | 11 | 3 | 0 | 19 | |
| 23 | 0 | 0 | 0 | 0 | 1 | 1 | 12 | 5 | 0 | 19 | |
| 24 | 0 | 0 | 0 | 1 | 1 | 0 | 9 | 4 | 0 | 15 | |
| 25+ | 0 | 0 | 1 | 0 | 4 | 4 | 61 | 256 | 0 | 326 | |
| N.S. | 0 | 2 | 1 | 4 | 1 | 5 | 19 | 24 | 0 | 56 | |