| Total holdings (volumes) | 10,630,000 |
| Addition to collection (number of volumes) | 137,000 |
| Current periodicals (print and electronic) | 58,000 |
| Manuscripts | 136,000 |
| Incunabula | 21,000 |
| Historical prints (1501 – 1800) | 919,000 |
| Artists' books | 20,300 |
| Data volume of digitized objects (terabyte) | 812 |
| Digitized titles | 2,300,000 |
| Annual downloads of digitized titles | 952,000 |
| Total expenditure (Euro) | 52.256.000 |
| Expenditure for media acquisition (Euro) | 9.779.000 |
| Thereof third-party funds for media acquisition (Euro) | 1.905.000 |
| Acquisition of third-party funds for one-year and multi-year projects (Euro) | 1.643.567 |
| Current third-party-funded projects | 41 |
| Full-time equivalents (staff) | 452 |
| Members of staff (incl. project staff) | 849 |
| Active users | 71,200 |
| Loan orders | 1,291,000 |
| Document delivery orders | 236,500 |
| Hours of opening per week | 112 |
| Reader desks | 973 |
| Visits to reading rooms | 1,046,000 |
| Information inquiries | 105,200 |
| Accesses to online catalogue | 7,515,000 |
| Exhibitions, events | 34 |
| User trainings, guided library tours | 367 |
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