| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 93 |
76.2%
|
| 1 | 22 |
18%
|
|
| 2 | 2 |
1.6%
|
|
| 98 | Available but Many | 3 |
2.5%
|
| 99 | Available but number unknown | 2 |
1.6%
|
| Sysmiss | 946 |