| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2536 |
93.6%
|
| 2 | 1 or 2 times | 77 |
2.8%
|
| 3 | 3 to 9 times | 43 |
1.6%
|
| 4 | 10 to 19 times | 18 |
0.7%
|
| 5 | 20 or more times | 34 |
1.3%
|
| Sysmiss | 128 |