| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very large | 2606 |
13.4%
|
| 2 | Large | 3189 |
16.4%
|
| 3 | Small | 4490 |
23%
|
| 4 | Very small | 6650 |
34.1%
|
| 5 | Don't know | 2564 |
13.1%
|