| Value | Category | 
|---|---|
| -9 | Don’t know | 
| -8 | |
| 1 | Replicated product/idea encountered in previous occupations | 
| 2 | Modified product/idea encountered in previous occupations | 
| 3 | Replicated prod/idea dvlpd by other firms outside prev occup | 
| 4 | Modified prod/idea dvlpd by other firms outside prev occup | 
| 5 | You developed a new product or idea | 
| Sysmiss |