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.