| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 6878 |
92.3%
|
| 2 | 1 or 2 times | 318 |
4.3%
|
| 3 | 3 to 9 times | 129 |
1.7%
|
| 4 | 10 to 19 times | 68 |
0.9%
|
| 5 | 20 or more times | 59 |
0.8%
|
| Sysmiss | 479 |