Content
Special and research libraries. Collections and loans. Figures and per cent | 2011 | 2012 | Percent of change |
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2011 - 2012 | 2007 - 2012 |
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Books and publication series, number of volumes, total | 20 020 128 | 19 807 915 | -1 | -2 |
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Audio visual documents | 1 263 001 | 2 801 737 | 122 | 229 |
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Graphic and cartographic material | 3 185 516 | 3 203 852 | 1 | -26 |
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Digital documents | 1 528 393 715 | 4 732 043 153 | | |
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| | | | |
Loans total | | 2 299 250 | | |
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