| Views | |
| PER: 2001 Volume 4 No 1 | 143 |
| December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | June 2013 | |
| PER: 2001 Volume 4 No 1 | 22 | 23 | 5 | 13 | 14 | 9 |
| Views | |
| United States of America | 61 |
| China | 26 |
| South Africa | 19 |
| Russian Federation | 9 |
| Canada | 6 |
| Germany | 6 |
| Japan | 3 |
| Ukraine | 3 |
| United Kingdom | 2 |
| Netherlands | 2 |
| Views | |
| Potchefstroom | 13 |
| Redwood City | 12 |
| Beijing | 10 |
| Sayreville | 7 |
| Seattle | 7 |
| Toronto | 6 |
| Cape Town | 3 |
| La Jolla | 2 |
| Pretoria | 2 |
| Ashburn | 1 |