| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 8802 |
92.3%
|
| 2 | 1 or 2 times | 335 |
3.5%
|
| 3 | 3 to 9 times | 222 |
2.3%
|
| 4 | 10 to 19 times | 115 |
1.2%
|
| 5 | 20 or more times | 64 |
0.7%
|
| Sysmiss | 637 |