| Value |
Category |
| -9 |
nr |
| -7 |
na |
| -6 |
ns |
| 395 |
|
| 1500 |
|
| 1800 |
|
| 2000 |
|
| 2450 |
|
| 2500 |
|
| 2700 |
|
| 2800 |
|
| 3000 |
|
| 3100 |
|
| 3200 |
|
| 3500 |
|
| 4000 |
|
| 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.