| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 966 |
97.3%
|
| 2 | 1 or 2 times | 16 |
1.6%
|
| 3 | 3 to 9 times | 4 |
0.4%
|
| 4 | 10 to 19 times | 5 |
0.5%
|
| 5 | 20 or more times | 2 |
0.2%
|
| Sysmiss | 27 |