| Value | Category | Cases | |
|---|---|---|---|
| 1 | Too much time | 309 |
48.4%
|
| 2 | Too much labor | 202 |
31.6%
|
| 3 | Materials not available | 98 |
15.3%
|
| 4 | Other specify | 29 |
4.5%
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 7936 |