| Category | Average Slope | Gloss | Word Count |
| 1 | −4.7*10**(−4) | obvious decrease | 3 |
| 2 | −9.0*10**(−5) | decrease | 104 |
| 0 | −1.4*10**(−7) | constant | 6793 |
| 4 | 3.5*10**(−5) | increase | 231 |
| 3 | 1.3*10**(−4) | obvious increase | 27 |