| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2040 |
72.6%
|
| 2 | 1 time | 404 |
14.4%
|
| 3 | 2 or 3 times | 202 |
7.2%
|
| 4 | 4 or 5 times | 71 |
2.5%
|
| 5 | 6 or 7 times | 19 |
0.7%
|
| 6 | 8 or 9 times | 13 |
0.5%
|
| 7 | 10 or 11 times | 6 |
0.2%
|
| 8 | 12 or more times | 54 |
1.9%
|
| Sysmiss | 42 |