Category | NP0 | NP1 | NP2 | NP3 |
religion | 18,707 | 18,403 | 15,667 | 14,994 |
science | 24,398 | 24,075 | 18,660 | 17,994 |
computer | 17,128 | 16,761 | 12,179 | 11,552 |
sport | 20,932 | 20,608 | 13,477 | 12,837 |