| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
3.1%
|
| -7 | Does not apply (spontaneous) | 60 |
5.9%
|
| 1 | There is only one supplier | 242 |
23.7%
|
| 2 | There are multiple suppliers, but it would be very costly to switch suppliers | 244 |
23.9%
|
| 3 | There are multiple supliers and it would not be very costly to switch suppliers | 441 |
43.3%
|