| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1776 |
94.3%
|
| 2 | 1 or 2 times | 45 |
2.4%
|
| 3 | 3 to 9 times | 33 |
1.8%
|
| 4 | 10 to 19 times | 10 |
0.5%
|
| 5 | 20 or more times | 20 |
1.1%
|
| Sysmiss | 86 |