| Value |
Category |
| -9 |
nr |
| -7 |
na |
| -6 |
ns |
| 0 |
|
| 7 |
|
| 200 |
|
| 250 |
|
| 300 |
|
| 600 |
|
| 800 |
|
| 1200 |
|
| 2000 |
|
| 2500 |
|
| 4000 |
|
| 8000 |
|
| 30000 |
|
| 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.