| Value | Category | Cases | |
|---|---|---|---|
| 0 | 744 |
4.4%
|
|
| 1 | 6414 |
38.1%
|
|
| 2 | 2076 |
12.3%
|
|
| 3 | 3044 |
18.1%
|
|
| 4 | 2299 |
13.7%
|
|
| 5 | 2008 |
11.9%
|
|
| 6 | 143 |
0.8%
|
|
| 7 | 101 |
0.6%
|
|
| Sysmiss | 3155 |