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