| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 3606 |
96.7%
|
| 1 | ONE | 30 |
0.8%
|
| 2 | TWO | 34 |
0.9%
|
| 3 | THREE | 8 |
0.2%
|
| 4 | FOUR | 3 |
0.1%
|
| 7 | SEVEN | 1 |
0%
|
| Sysmiss | 47 |
1.3%
|