| Views | |
| Environmental liability in a European perspective | 53 |
| October 2012 | November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | |
| Environmental liability in a European perspective | 6 | 9 | 12 | 16 | 7 | 3 |
| Views | |
| China | 16 |
| United States of America | 8 |
| Russian Federation | 5 |
| Germany | 2 |
| Italy | 1 |
| Views | |
| Beijing | 14 |
| Romeo | 6 |
| Moscow | 5 |
| Hanover | 2 |
| Cagliari | 1 |