| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1830 |
95.3%
|
| 2 | 1 or 2 times | 29 |
1.5%
|
| 3 | 3 to 9 times | 25 |
1.3%
|
| 4 | 10 to 19 times | 12 |
0.6%
|
| 5 | 20 or more times | 24 |
1.3%
|
| Sysmiss | 95 |