| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2335 |
91.5%
|
| 2 | 1 or 2 times | 115 |
4.5%
|
| 3 | 3 to 9 times | 58 |
2.3%
|
| 4 | 10 or more times | 44 |
1.7%
|
| Sysmiss | 117 |