| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2973 |
94.7%
|
| 2 | 1 or 2 times | 101 |
3.2%
|
| 3 | 3 to 9 times | 61 |
1.9%
|
| 4 | 10 or more times | 4 |
0.1%
|
| Sysmiss | 15 |