| Value | Category | Cases | |
|---|---|---|---|
| 1 | government | 5162 |
23.7%
|
| 2 | private vet | 6592 |
30.3%
|
| 3 | self | 5037 |
23.1%
|
| 4 | none | 4856 |
22.3%
|
| 5 | others | 122 |
0.6%
|