| Views | |
| Center for Urban Policy and the Environment | 765 |
| October 2013 | November 2013 | December 2013 | January 2014 | February 2014 | March 2014 | April 2014 | |
| Center for Urban Policy and the Environment | 15 | 18 | 28 | 13 | 17 | 20 | 13 |
| Views | |
| United States of America | 430 |
| China | 66 |
| Korea | 38 |
| Ukraine | 14 |
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| United Kingdom | 10 |
| Russian Federation | 6 |
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| Sweden | 5 |
| France | 4 |
| Views | |
| Indianapolis | 112 |
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| Seoul | 38 |
| San Diego | 12 |
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