Aankopen e-books in 2012: met en zonder Digital Rights Management (DRM)

Library purchases of e-books 2012: with and without DRM
BOOK TYPE e-books
Digital Rights Management (DRM)? average cost
COLLECTION data YES NO TOTAL
Theology & Religious Studies expenditure € 543 € 543 € 271
number of books 2 2
Philosophy expenditure € 1.321 € 2.743 € 4.065 € 110
number of books 15 22 37
Arts expenditure € 35.077 € 51.733 € 86.810 € 114
number of books 298 465 763
Law expenditure € 45 € 45 € 45
number of books 1 1
Behavioral & Social Sciences expenditure € 1.474 € 435 € 1.910 € 159
number of books 11 1 12
Economics & Business expenditure € 1.340 € 331 € 1.671 € 93
number of books 15 3 18
Spatial Sciences expenditure € 274 € 134 € 408 € 136
number of books 2 1 3
Mathematics & Natural Sciences expenditure € 15.407 € 11.332 € 26.740 € 147
number of books 123 59 182
Medical Sciences expenditure € 6.596 € 20.026 € 26.622 € 313
number of books 45 40 85
General & Special Collections expenditure € 3.715 € 1.796 € 5.511 € 85
number of books 53 12 65
Total expenditure € 65.250 € 89.074 € 154.324 € 132
Total number of books 563 605 1.168
Average cost of e-book purchases € 116 € 147 € 132