| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 526 |
3.7%
|
| 1 | working solely for enterprise/contractor | 6871 |
48.3%
|
| 2 | mainly on contract but also for other customers | 2749 |
19.3%
|
| 3 | mainly for customers but also on contract | 1877 |
13.2%
|
| 4 | solely for customers | 2201 |
15.5%
|
| 9 | Invalid | 3 |
0%
|