| Value | Category | Cases | |
|---|---|---|---|
| 1 | based solely on performance and ability | 2015 |
86.3%
|
| 2 | based on the length of employment at this establishment | 127 |
5.4%
|
| 3 | based on family ties | 16 |
0.7%
|
| 4 | non-managers are typically not promoted | 20 |
0.9%
|
| 5 | three is no hierarchy in this establishment | 9 |
0.4%
|
| 6 | other | 148 |
6.3%
|
| Sysmiss | 48 |