| Value | Category | Cases | |
|---|---|---|---|
| 0 | No prior child | 1431 |
27.2%
|
| 1 | 1288 |
24.5%
|
|
| 2 | 1403 |
26.6%
|
|
| 3 | 885 |
16.8%
|
|
| 4 | 240 |
4.6%
|
|
| 5 | 17 |
0.3%
|
|
| 6 | 1 |
0%
|