224 records out of a total of 19,048 MODS records have an entry in the mods:dateIssued field, for a total of 1.2% fields with one of the following values. The total of all records is 174,167, of which MODS records account for almost 11%.
| 1986 | 6 |
| 1987 | 8 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 20 |
| February 24, 1975 | 1 |
| May 2, 1975 | 1 |
| May 27, 1975 | 1 |
| May 6, 1974 | 1 |
| November 15, 1945 | 4 |
| October 15, 1976 | 2 |
| [ca. 1945] | 44 |