| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1933 |
96.7%
|
|
| 1 | 25 |
1.3%
|
|
| 2 | 21 |
1.1%
|
|
| 3 | 9 |
0.5%
|
|
| 4 | 5 |
0.3%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 4 |
0.2%
|
|
| Sysmiss | 1 |