| Value | Category | Cases | |
|---|---|---|---|
| 1 | no difficulty | 1469 |
31.2%
|
| 2 | capital/credit | 3012 |
63.9%
|
| 3 | technical know how | 152 |
3.2%
|
| 4 | govt regulation | 22 |
0.5%
|
| 5 | other | 60 |
1.3%
|
| Sysmiss | 5394 |