| Value | Category | Cases | |
|---|---|---|---|
| 0 | 55 |
26.6%
|
|
| 999 | 19 |
9.2%
|
|
| 2000 | 1 |
0.5%
|
|
| 7000 | 1 |
0.5%
|
|
| 9999 | 1 |
0.5%
|
|
| 99999 | 1 |
0.5%
|
|
| 999999 | 129 |
62.3%
|
|
| Sysmiss | 2 |