| Number of over due notices delivered by built-in mail service (dpmail) | |
| Number of over due notices delivered by other email services | |
| The items to be returned immediately in same day | |
| Number of duplicate item barcodes for return | |
| The item barcodes duplicated with out library card barcode to assist the counting the number of times in return | |
| On hold items that available | |
| Number of obsolete messages deleted | |