Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 0 |
0%
|
-8 | Refused | 0 |
0%
|
1 | Yes_ for a patent only | 2 |
40%
|
2 | Yes_ for a trademark only | 2 |
40%
|
3 | Yes_ for both a patent and a trademark | 0 |
0%
|
4 | No | 1 |
20%
|
Sysmiss | 1990 |