| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1139 |
25.6%
|
| 1 | 963 |
21.7%
|
|
| 2 | 1595 |
35.9%
|
|
| 3 | 553 |
12.4%
|
|
| 4 | 136 |
3.1%
|
|
| 5 | 43 |
1%
|
|
| 6 | 6 |
0.1%
|
|
| 8 | 4 |
0.1%
|
|
| 10 | 1 |
0%
|
|
| 11 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| 97 | Inconsistent | 0 |
0%
|
| 99 | Missing | 4 |
0.1%
|
| Sysmiss | 199 |