| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 604 |
18.4%
|
| 2 | 1 or 2 | 633 |
19.3%
|
| 3 | Around 10 | 865 |
26.4%
|
| 4 | Around 20 | 552 |
16.8%
|
| 5 | Around 50 | 356 |
10.9%
|
| 6 | Around 100 | 159 |
4.9%
|
| 7 | Around 200 | 58 |
1.8%
|
| 8 | Around 500 | 28 |
0.9%
|
| 9 | 1000 or more | 21 |
0.6%
|
| Sysmiss | 29 |