| - exclamation | + exclamation | Total | |||
| Variable | - verb | + verb | - verb | + verb | |
| Verb & Exclamation | 307 | 228 | 1015 | 471 | 2021 |
| Average open rate | 11.29% | 12.00% | 12.94% | 12.05% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - noun | + noun | - noun | + noun | |
| Noun & Exclamation | 40 | 495 | 52 | 1434 | 2021 |
| Average open rate | 11.46% | 11.61% | 12.80% | 12.66% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - adjective | + adjective | - adjective | + adjective | |
| Adjective & Exclamation | 395 | 140 | 853 | 633 | 2021 |
| Average open rate | 11.38% | 12.20% | 12.84% | 12.42% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - adverb | + adverb | - adverb | + adverb | |
| Adverb & Exclamation | 363 | 172 | 845 | 641 | 2021 |
| Average open rate | 11.94% | 10.87% | 13.60% | 11.43% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - pronoun | + pronoun | - pronoun | + pronoun | |
| Pronoun & Exclamation | 446 | 89 | 1333 | 153 | 2021 |
| Average open rate | 11.47% | 12.24% | 12.54% | 13.73% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - non-st. var. | + non-st. var. | - non-st. var. | + non-st. var. | |
| Non-st. variation & Exclamation | 268 | 267 | 695 | 791 | 2021 |
| Average open rate | 11.86% | 11.33% | 12.80% | 12.54% | 12.38% |
| - exclamation | + exclamation | Total | |||
| Variable | - product | + product | - product | + product | |
| Product & Exclamation | 523 | 12 | 1408 | 78 | 2021 |
| Average open rate | 11.60% | 11.59% | 12.70% | 11.97% | 12.38% |