70 · ARL Statistics 2007–2008 Summary of Rank Order Tables for University Libraries, 2007–2008 The table below presents the rank for each university library in each of the 21 categories for which rank order tables are prepared. The table numbers in the chart below refer to the data categories listed below. The number of libraries indicates the number of ARL university libraries supplying data in each category. Table Data Category Number of Libraries 1 VOLUMES IN LIBRARY 113 2 VOLUMES ADDED (GROSS) 113 3 CURRENT SERIALS (TOTAL) 113 4 MICROFORM UNITS 110 5 GOVERNMENT DOCUMENTS 100 6 TOTAL LIBRARY MATERIALS EXPENDITURES 113 7 TOTAL SALARIES &WAGES EXPENDITURES 113 8 OTHER OPERATING EXPENDITURES 113 9 TOTAL LIBRARY EXPENDITURES 113 10 MONOGRAPHS PURCHASED (VOLUMES) 102 11 EXPENDITURES FOR MONOGRAPHS 113 12 CURRENT SERIALS PURCHASED (TITLES) 107 13 EXPENDITURES FOR CURRENT SERIALS 113 14 TOTAL ITEMS LOANED (ILL/DD) 113 15 TOTAL ITEMS BORROWED (ILL/DD) 113 16 PROFESSIONAL STAFF (FTE) 113 17 SUPPORT STAFF (FTE) 113 18 TOTAL STAFF (FTE) 113 19 EXPENDITURES FOR ELECTRONIC RESOURCES 111 20 ELECTRONIC RESOURCES AS A %OF TOTAL LIBRARY MATERIALS 111 21 LIBRARY INVESTMENT INDEX 113