| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
17.2%
|
|
| 1 | 64 |
32.3%
|
|
| 2 | 37 |
18.7%
|
|
| 3 | 15 |
7.6%
|
|
| 4 | 13 |
6.6%
|
|
| 5 | 10 |
5.1%
|
|
| 6 | 2 |
1%
|
|
| 7 | 5 |
2.5%
|
|
| 8 | 4 |
2%
|
|
| 10 | 3 |
1.5%
|
|
| 12 | 1 |
0.5%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 1 |
0.5%
|
|
| 17 | 1 |
0.5%
|
|
| 20 | 2 |
1%
|
|
| 38 | 1 |
0.5%
|
|
| 40 | 2 |
1%
|
|
| 2011 | 1 |
0.5%
|
|
| 2013 | 1 |
0.5%
|
|
| Sysmiss | 3504 |