| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2674 |
90.5%
|
| 2 | 1 or 2 times | 150 |
5.1%
|
| 3 | 3 to 9 times | 77 |
2.6%
|
| 4 | 10 to 19 times | 21 |
0.7%
|
| 5 | 20 or more times | 32 |
1.1%
|
| Sysmiss | 80 |