| Country | Year | without metadata | with non conformant metadata | with conformant metadata |
|---|---|---|---|---|
| AT | 2012 | 97 | 70 | 131 |
| BE | 2012 | 38 | 66 | 212 |
| BG | 2012 | 413 | 47 | 16 |
| CZ | 2012 | 0 | 46 | 181 |
| DK | 2012 | 0 | 0 | 63 |
| EE | 2012 | 3 | 11 | 21 |
| FI | 2012 | 10 | 18 | 242 |
| FR | 2012 | 0 | 631 | 2586 |
| GR | 2012 | 250 | 199 | 181 |
| DE | 2012 | 1164 | 214 | 2656 |
| IS | 2012 | 35 | 0 | 13 |
| LT | 2012 | 12 | 0 | 93 |
| LU | 2012 | 1 | 0 | 203 |
| LV | 2012 | 28 | 2 | 106 |
| NL | 2012 | 70 | 13 | 58 |
| NO | 2012 | 81 | 121 | 0 |
| PL | 2012 | 8 | 27 | 30 |
| PT | 2012 | 40 | 12 | 722 |
| RO | 2012 | 83 | 36 | 89 |
| SK | 2012 | 15 | 0 | 60 |
| SI | 2012 | 9 | 38 | 39 |
| ES | 2012 | 107 | 1993 | 1414 |
| SE | 2012 | 37 | 38 | 215 |
| GB | 2012 | 64 | 2 | 1051 |