| Value |
Category |
| 8 |
8. 8 |
| 9 |
9. 9 |
| 10 |
10. 10 |
| 11 |
11. 11 |
| 12 |
12. 12 |
| 13 |
13. 13 |
| 14 |
14. 14 |
| 15 |
15. 15 |
| 16 |
16. 16 |
| 17 |
17. 17 |
| 18 |
18. 18 |
| 19 |
19. 19 |
| 20 |
20. 20 |
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.