Value |
Category |
1 |
Less than 30 metres |
2 |
30 - 50 metres |
3 |
51 - 100 metres |
4 |
geater than 100 metres |
7 |
|
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.