| Value | Category | Cases | |
|---|---|---|---|
| 1 | Sun | 53 |
11.2%
|
| 2 | Shade | 349 |
73.6%
|
| 3 | 2 |
0.4%
|
|
| 88 | doesn't know | 70 |
14.8%
|
| Sysmiss | 8101 |