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| Publication Type | Frequency | Percent |
| Article | 77224 | 71.3 |
| Review | 15361 | 14.2 |
| Proceedings paper | 6193 | 5.7 |
| Editorial material | 4288 | 4.0 |
| Meeting abstract | 3555 | 3.3 |
| Letter | 1197 | 1.1 |
| Book chapter | 178 | 0.2 |
| Correction | 167 | 0.2 |
| News item | 112 | 0.1 |
| Reprint | 50 | 0.0 |
| Biographical item | 16 | 0.0 |
| Book review | 9 | 0.0 |
| Bibliography | 3 | 0.0 |
| Hardware review | 1 | 0.0 |
| Meeting summary | 1 | 0.0 |
| Total | 108355 | 100.0 |
