| Views | |
| PER: 2009 Volume 12 No 4 | 145 |
| November 2012 | December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | |
| PER: 2009 Volume 12 No 4 | 11 | 23 | 20 | 5 | 14 | 15 |
| Views | |
| United States of America | 67 |
| China | 20 |
| South Africa | 20 |
| Germany | 9 |
| Russian Federation | 7 |
| Canada | 3 |
| United Kingdom | 3 |
| Japan | 3 |
| Ukraine | 3 |
| France | 2 |
| Views | |
| Seattle | 14 |
| Potchefstroom | 11 |
| Redwood City | 11 |
| Beijing | 10 |
| Sayreville | 6 |
| Toronto | 3 |
| Cape Town | 2 |
| Johannesburg | 2 |
| La Jolla | 2 |
| Ashburn | 1 |