| Views | |
| PER: 2008 Volume 11 No 4 | 156 |
| November 2012 | December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | |
| PER: 2008 Volume 11 No 4 | 19 | 18 | 27 | 9 | 19 | 13 |
| Views | |
| United States of America | 55 |
| China | 31 |
| South Africa | 22 |
| Germany | 13 |
| France | 11 |
| Canada | 8 |
| Russian Federation | 7 |
| Japan | 3 |
| Ukraine | 3 |
| United Kingdom | 1 |
| Views | |
| Beijing | 18 |
| Potchefstroom | 17 |
| Redwood City | 13 |
| Toronto | 7 |
| Seattle | 6 |
| Sayreville | 5 |
| La Jolla | 2 |
| Rhodes | 2 |
| Berlin | 1 |
| Cape Town | 1 |