 |
| billed: 975 phrases in 25 subjects |
| American usage, not spelling | 3 |
| Biology | 14 |
| British usage, not spelling | 2 |
| Business | 1 |
| Chemistry | 4 |
| Communications | 21 |
| Economy | 1 |
| Entomology | 3 |
| Environment | 5 |
| Finances | 10 |
| General | 246 |
| Government, administration and public services | 1 |
| Ichthyology | 2 |
| Information technology | 1 |
| Insurance | 1 |
| Life sciences | 5 |
| Marketing | 1 |
| Medical | 1 |
| Microsoft | 4 |
| Municipal planning | 1 |
| Natural resourses and wildlife conservation | 48 |
| Natural sciences | 7 |
| Ornithology | 564 |
| Sports | 1 |
| Zoology | 28 |