| Views | |
| SPS Contributions to Books | 1454 |
| May 2011 | June 2011 | July 2011 | August 2011 | September 2011 | October 2011 | November 2011 | December 2011 | January 2012 | February 2012 | March 2012 | April 2012 | May 2012 | |
| SPS Contributions to Books | 71 | 63 | 82 | 78 | 63 | 68 | 58 | 59 | 77 | 60 | 68 | 76 | 53 |
| Views | |
| Italy | 1191 |
| United States of America | 127 |
| Russian Federation | 22 |
| United Kingdom | 13 |
| Germany | 12 |
| Netherlands | 10 |
| China | 8 |
| Hong Kong | 5 |
| Ukraine | 5 |
| France | 4 |
| Views | |
| Rome | 1184 |
| Washington | 24 |
| Moscow | 19 |
| Colorado Springs | 8 |
| Seattle | 7 |
| Houston | 6 |
| Needham Heights | 6 |
| Providence | 6 |
| Cypress | 4 |
| Kwai Chung | 4 |