| |||
| minimum | |||
|
minimum : 27 phrases in 10 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 2 |
| Construction | 4 |
| Economics | 6 |
| Electricity generation | 1 |
| General | 6 |
| Mathematics | 1 |
| Social science | 2 |
| Sociology | 2 |
| Transport | 1 |
| |||
| minimum | |||
|
minimum : 27 phrases in 10 subjects |
| Agriculture | 2 |
| Antennas and waveguides | 2 |
| Construction | 4 |
| Economics | 6 |
| Electricity generation | 1 |
| General | 6 |
| Mathematics | 1 |
| Social science | 2 |
| Sociology | 2 |
| Transport | 1 |