| Value |
Category |
| -9 |
NR |
| -7 |
NA |
| -6 |
NS |
| 300 |
|
| 540 |
|
| 1272 |
|
| 1400 |
|
| 1500 |
|
| 1800 |
|
| 2000 |
|
| 3400 |
|
| 4400 |
|
| 6000 |
|
| 72144 |
|
| 75000 |
|
| 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.