| Value | Category | Cases | |
|---|---|---|---|
| -1 | 272 |
47.9%
|
|
| 1 | Invented by the company based on its own ideas | 114 |
20.1%
|
| 2 | Invented by the company, but inspired by ideas seen elsewhere | 77 |
13.6%
|
| 3 | Purchased from a supplier or requested by a customer | 94 |
16.5%
|
| 4 | Other (please specify) | 11 |
1.9%
|
| Sysmiss | 263 |