| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2005 |
80.5%
|
| 2 | 1 time | 259 |
10.4%
|
| 3 | 2 or 3 times | 120 |
4.8%
|
| 4 | 4 or 5 times | 58 |
2.3%
|
| 5 | 6 or more times | 49 |
2%
|
| Sysmiss | 49 |