| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 24 |
1%
|
| 1 | yes | 521 |
20.7%
|
| 2 | no | 1918 |
76.4%
|
| 3 | 3 | 2 |
0.1%
|
| 4 | 4 | 30 |
1.2%
|
| 6 | 6 | 3 |
0.1%
|
| 7 | 7 | 6 |
0.2%
|
| 9 | 9 | 1 |
0%
|
| X | X | 7 |
0.3%
|