| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2033 |
97.9%
|
| 2 | 1 or 2 times | 23 |
1.1%
|
| 3 | 3 to 9 times | 10 |
0.5%
|
| 4 | 10 to 19 times | 3 |
0.1%
|
| 5 | 20 or more times | 7 |
0.3%
|
| Sysmiss | 44 |