| Value | Category |
|---|---|
| -9 | Don't know (spontaneous) |
| 1 | Changes in the costs of supplies or material inputs |
| 2 | Change in demand |
| 3 | Changes in taxes or the cost of regulation |
| 4 | Pressures from domestic competitors |
| 5 | Pressures from foreign competitors |
| 6 | Events disrupting typical operations |
| 7 | Other |
| Sysmiss |