| 9,192,442 | 61.58% | preserved and publicly available (bright) | |
| 3,286,805 | 22.02% | preserved but not publicly accessible (dark) | |
| 2,450,143 | 16.42% | no known independent preservation |
| Release Type | Total Count | Coverage |
|---|---|---|
| article-journal | 12,474,704 |
|
| article | 2,440,417 |
|
| paper-conference | 14,269 |
|