| Value |
Category |
| 1 |
1 16 to 20 |
| 2 |
2 21 to 30 |
| 3 |
3 31 to 40 |
| 4 |
4 41 to 50 |
| 5 |
5 51 to 60 |
| 6 |
6 61 to 70 |
| 7 |
7 71 to 80 |
| 8 |
8 over 80 |
| 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.