| Views | |
| PER: 2002 Volume 5 No 1 | 157 |
| December 2012 | January 2013 | March 2013 | April 2013 | May 2013 | June 2013 | |
| PER: 2002 Volume 5 No 1 | 24 | 19 | 8 | 14 | 23 | 6 |
| Views | |
| United States of America | 62 |
| China | 39 |
| South Africa | 18 |
| Canada | 9 |
| Russian Federation | 9 |
| Germany | 6 |
| Japan | 3 |
| Netherlands | 3 |
| Ukraine | 3 |
| United Kingdom | 2 |
| Views | |
| Beijing | 15 |
| Redwood City | 14 |
| Potchefstroom | 12 |
| Seattle | 12 |
| Toronto | 8 |
| Sayreville | 5 |
| Cape Town | 2 |
| La Jolla | 2 |
| San Jose | 2 |
| Ashburn | 1 |