| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2079 |
96.3%
|
| 2 | 1 or 2 times | 56 |
2.6%
|
| 3 | 3 to 9 times | 16 |
0.7%
|
| 4 | 10 or more times | 9 |
0.4%
|
| Sysmiss | 40 |