| Value | Category | Cases | |
|---|---|---|---|
| 0 | 428 |
69.3%
|
|
| 1 | 2 |
0.3%
|
|
| 10 | 9 |
1.5%
|
|
| 15 | 8 |
1.3%
|
|
| 20 | 50 |
8.1%
|
|
| 25 | 16 |
2.6%
|
|
| 30 | 37 |
6%
|
|
| 40 | 20 |
3.2%
|
|
| 45 | 8 |
1.3%
|
|
| 50 | 21 |
3.4%
|
|
| 60 | 2 |
0.3%
|
|
| 120 | 2 |
0.3%
|
|
| 160 | 1 |
0.2%
|
|
| 180 | 1 |
0.2%
|
|
| 999 | Task is never performed by a given category of workers | 13 |
2.1%
|
| Sysmiss | 141 |