| Value | Category | Cases | |
|---|---|---|---|
| 0 | 468 |
89.1%
|
|
| 1 | 22 |
4.2%
|
|
| 2 | 18 |
3.4%
|
|
| 3 | 9 |
1.7%
|
|
| 4 | 4 |
0.8%
|
|
| 99 | NA | 1 |
0.2%
|
| 9995 | Missing | 3 |
0.6%
|