This report presents statistics on how ARL (Association of Research Libraries) member libraries spend money on electronic resources. The following tables are included: (1) a summary table of electronic resources and library materials expenditures in ARL university libraries, 1992-93 to 2000-01; (2) summary statistics for university libraries, 2000-01; (3) expenditures for computer files, electronic serials, indexes and reference tools, and full-text items by library; (4) expenditures for bibliographic utilities, computer hardware and software, and document delivery/interlibrary loan by library; (5) bibliographic records, in-house use, and services by library; (6) rank order of expenditures for electronic materials as a percent of total library materials expenditures, ranked by percent for 2000-01; and (7) rank order of expenditures of electronic materials as a percent of total library materials expenditures, ranked by expenditures for electronic materials, 2000-01. A copy of the questionnaire is included. (MES)