| BIBLIOGRAPHIC RECORDS | 06/30/95 | 06/30/96 | 06/30/97 | 06/30/98 | 06/30/99 |
| Monographs (BKS) | 1,036,231 | 1,109,878 | 1,124,586 | 1,192,533 | 1,228,835 |
| Serials (SER) | 48,299 | 50,178 | 50,978 | 53,119 | 55,037 |
| Recordings (REC) | 24,160 | 25,403 | 26,596 | 0 | 0 |
| Scores (SCO) | 18,617 | 20,483 | 22,405 | 0 | 0 |
| Music | 0 | 0 | 0 | 51,726 | 52,642 |
| Maps (MAP) | 652 | 689 | 754 | 798 | 973 |
| Archives/Manuscripts (AMC) | 1 | 1 | 1 | 988 | 994 |
| Machine Readable Data Files (MRDF) | 157 | 263 | 376 | 525 | 569 |
| Visual Materials (VIM) | 4,824 | 5,273 | 5,786 | 6,176 | 6,826 |
| Temporary format | 0 | 0 | 0 | 6,123 | 10,265 |
| (Items without online records, ILL, Reserve, etc) | |||||
| 1,132,941 | 1,212,168 | 1,231,482 | 1,311,988 | 1,356,158 | |
| PATRON RECORDS | |||||
| Barcoded patron records | 49,313 | 59,152 | 59,078 | 61,944 | 102,243 |