| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2353 |
86.1%
|
| 2 | 1 or 2 times | 302 |
11.1%
|
| 3 | 3 to 9 times | 45 |
1.6%
|
| 4 | 10 or more times | 32 |
1.2%
|
| Sysmiss | 150 |