| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 gel | 55 |
4.2%
|
| 2 | 1.5 gel | 56 |
4.3%
|
| 3 | 2 gel | 77 |
5.9%
|
| 4 | 2.5 gel | 129 |
9.8%
|
| 5 | 3 gel | 159 |
12.1%
|
| 6 | 3.5 gel | 120 |
9.1%
|
| 7 | 4 gel | 161 |
12.2%
|
| 8 | i don't know | 559 |
42.5%
|
| Sysmiss | 29 |