| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 4142 |
94.9%
|
| 2 | 1 or 2 times | 112 |
2.6%
|
| 3 | 3 to 9 times | 41 |
0.9%
|
| 4 | 10 to 19 times | 31 |
0.7%
|
| 5 | 20 or more times | 40 |
0.9%
|
| Sysmiss | 165 |