| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Yes (Main source) | 53 | 704 |
0.8%
|
| 2 | Yes (Secondary source) | 28 | 321 |
0.4%
|
| 3 | Not source | 2907 | 83070 |
94.7%
|
| Sysmiss | 124 | 3585 |