| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 967 |
95.6%
|
| 2 | 1 or 2 times | 16 |
1.6%
|
| 3 | 3 to 9 times | 15 |
1.5%
|
| 4 | 10 to 19 times | 9 |
0.9%
|
| 5 | 20 or more times | 5 |
0.5%
|
| Sysmiss | 16 |