| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1850 |
76.2%
|
| 2 | 1 or 2 times | 390 |
16.1%
|
| 3 | 3 to 9 times | 120 |
4.9%
|
| 4 | 10 or more times | 69 |
2.8%
|
| Sysmiss | 121 |