| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2633 |
91.4%
|
| 2 | 1 or 2 times | 114 |
4%
|
| 3 | 3 to 5 times | 47 |
1.6%
|
| 4 | 6 to 9 times | 43 |
1.5%
|
| 5 | 10 to 19 times | 15 |
0.5%
|
| 6 | 20 or more times | 29 |
1%
|
| Sysmiss | 160 |