| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 1603 |
90.1%
|
| 2 | 1 or 2 times | 101 |
5.7%
|
| 3 | 3 to 9 times | 40 |
2.2%
|
| 4 | 10 to 19 times | 13 |
0.7%
|
| 5 | 20 or more times | 23 |
1.3%
|
| Sysmiss | 92 |