| Proficiency Level | Numbers |
| CET-4 and above | 65 (31%) |
| CET-6 and above | 63 (29%) |
| TEM-4 | 4 (2%) |
| TEM-8 | 4 (2%) |
| Business English as the preference | 13 (7%) |
| Fluent in English | 44 (20%) |
| NO Requirements | 22 (10%) |