| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3651 |
69.2%
|
|
| 1 | 498 |
9.4%
|
|
| 2 | 254 |
4.8%
|
|
| 3 | 141 |
2.7%
|
|
| 4 | 41 |
0.8%
|
|
| 5 | 21 |
0.4%
|
|
| 6 | 10 |
0.2%
|
|
| 7 | 4 |
0.1%
|
|
| 8 | 7 |
0.1%
|
|
| 9 | 2 |
0%
|
|
| 10 | 3 |
0.1%
|
|
| 12 | 1 |
0%
|
|
| 14 | 1 |
0%
|
|
| 15 | 2 |
0%
|
|
| 20 | 1 |
0%
|
|
| Missing value | 638 |
12.1%
|