| Value |
Category |
| -98 |
Could not observe |
| 1 |
Not available |
| 2 |
Good condition |
| 3 |
Average condition |
| 4 |
Poor condition |
| 20 |
|
| 120 |
|
| 220 |
|
| 320 |
|
| 420 |
|
| 620 |
|
| 720 |
|
| 820 |
|
| 920 |
|
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.