Value |
Category |
-9 |
DON’T KNOW (SPONTANEOUS) |
-7 |
DOES NOT APPLY |
1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
9 |
|
15 |
|
30 |
|
35 |
|
40 |
|
50 |
|
70 |
|
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.