| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 108 |
89.3%
|
| 1 | 4 |
3.3%
|
|
| 2 | 5 |
4.1%
|
|
| 98 | Available but Many | 2 |
1.7%
|
| 99 | Available but number unknown | 2 |
1.7%
|
| Sysmiss | 947 |