| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2906 |
91.4%
|
| 2 | 1 or 2 times | 100 |
3.1%
|
| 3 | 3 to 9 times | 61 |
1.9%
|
| 4 | 10 to 19 times | 44 |
1.4%
|
| 5 | 20 or more times | 67 |
2.1%
|
| Sysmiss | 155 |