| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 22 |
5.4%
|
| 1 | DOUBLE | 142 |
34.5%
|
| 2 | TRIPLE | 51 |
12.4%
|
| 3 | MORE THAN TRIPLE | 73 |
17.8%
|
| 4 | NO SPECIFIC INCREASE | 123 |
29.9%
|
| Sysmiss | 8745 |