Performance Indicators
| Indicator | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|
| 1. Impact Factor | 4.97 | 5.79 | 6.05 | 6.85 |
| 2. Pages published | 2,042 | 2,226 | 2,231 | 2,264 |
| 3. Research reports and reviews published | 160 | 159 | 169 | 159 |
| 4. Research reports and reviews submitted | 960 | 999 | 923 | 992 |
| 5. Acceptance rate | 17% | 16% | 18% | 16% |
| 6. Weeks to respond to submission (average) | 5.4 | 4.9 | 4.8 | 4.7 |
| 7. Months from final acceptance to online publication (average) | 1.8 | 2.1 | 1.9 | 1.8 |
| 8. Percent of pages devoted to commissioned material | 18% | 19% | 21% | 17% |
| Note: figures for 4 onwards relate to research reports and unsolicited reviews | ||||