Value |
Category |
7 |
Form 1 |
8 |
Form 2 |
9 |
Form 3 |
10 |
Form 4 |
11 |
Form 5 |
12 |
Form 6 (Low) |
13 |
Form 6 (Upp) |
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.