| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2031 |
96.9%
|
| 2 | 1 or 2 times | 34 |
1.6%
|
| 3 | 3 to 9 times | 20 |
1%
|
| 4 | 10 or more times | 12 |
0.6%
|
| Sysmiss | 111 |