| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 3040 |
96.5%
|
| 2 | 1 or 2 times | 62 |
2%
|
| 3 | 3 to 9 times | 22 |
0.7%
|
| 4 | 10 to 19 times | 11 |
0.3%
|
| 5 | 20 or more times | 14 |
0.4%
|
| Sysmiss | 67 |