| 14,809,762 | 67.18% | preserved and publicly accessible (bright) | |
| 3,417,473 | 15.51% | preserved but not publicly accessible (dark) | |
| 3,819,904 | 17.33% | no known independent preservation | |
| 22,047,139 | total |
| Release Type | Total Count | Coverage |
|---|---|---|
| article-journal | 18,659,125 |
|
| article | 3,365,829 |
|
| paper-conference | 22,185 |
|