| 2014 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| East Azerbaijan | 53 | 53 | 53 | 53 |
| West Azerbaijan | 164 | 164 | 164 | 164 |
| Ardabil | 13 | 13 | 13 | 13 |
| Isfahan | 28 | 28 | 28 | 28 |
| Ilam | 2 | 2 | 2 | 2 |
| Bushehr | 4 | 4 | 4 | 4 |
| Tehran | 23 | 23 | 23 | 23 |
| Chaharmahal and Bakhtiari Province | 4 | 4 | 4 | 4 |
| South Khorasan | 5 | 5 | 5 | 5 |
| Razavi Khorasan | 35 | 35 | 35 | 35 |
| North Khorasan | 3 | 3 | 3 | 3 |
| Khuzestan | 11 | 11 | 11 | 11 |
| Zanjan | 7 | 7 | 7 | 7 |
| Semnan | 10 | 10 | 10 | 10 |
| Sistan and Baluchestan | 11 | 11 | 11 | 11 |
| Fars | 13 | 13 | 13 | 13 |
| Qazvin | 10 | 10 | 10 | 10 |
| Qom | 4 | 4 | 4 | 4 |
| Kurdistan | 4 | 4 | 4 | 4 |
| Kerman | 100 | 100 | 100 | 100 |
| Kermanshah | 5 | 5 | 5 | 5 |
| Kohgiluyeh and Boyer-Ahmad | 2 | 2 | 2 | 2 |
| Golestan | 12 | 12 | 12 | 12 |
| Gilan | 2 | 2 | 2 | 2 |
| Mazandaran | 58 | 58 | 58 | 58 |
| Markazi | 5 | 5 | 5 | 5 |
| Hormozgan | 23 | 23 | 23 | 23 |
| Hamadan | 13 | 13 | 13 | 13 |
| Yazd | 4 | 4 | 4 | 4 |
| Lorestan | 8 | 8 | 8 | 8 |
| Alborz | 22 | 22 | 22 | 22 |