| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3408 |
95.4%
|
| 2 | 1 or 2 times | 63 |
1.8%
|
| 3 | 3 to 9 times | 36 |
1%
|
| 4 | 10 to 19 times | 20 |
0.6%
|
| 5 | 20 or more times | 44 |
1.2%
|
| Sysmiss | 109 |