Value |
Category |
-9 |
Don't know (spontaneous) |
2 |
|
5 |
|
7 |
|
10 |
|
11 |
|
15 |
|
20 |
|
25 |
|
35 |
|
50 |
|
90 |
|
100 |
|
150 |
|
200 |
|
300 |
|
900 |
|
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.