| El principio de irretroactividad en derecho tributario | 361 |
| 11 / 2012 | 12 / 2012 | 01 / 2013 | 02 / 2013 | 03 / 2013 | 04 / 2013 | 05 / 2013 | |
| El principio de irretroactividad en derecho tributario | 45 | 37 | 19 | 23 | 41 | 27 | 25 |
| 1 | Spain | 136 |
| 2 | Argentina | 34 |
| 3 | Colombia | 32 |
| 4 | Ecuador | 30 |
| 5 | Venezuela | 27 |
| 6 | Peru | 19 |
| 7 | Mexico | 15 |
| 8 | Germany | 13 |
| 9 | United States of America | 11 |
| 10 | France | 9 |
| 1 | Madrid | 29 |
| 2 | Barcelona | 22 |
| 3 | Bogotá | 12 |
| 4 | Caracas | 12 |
| 5 | Lima | 12 |
| 6 | Buenos Aires | 11 |
| 7 | A Coruña | 8 |
| 8 | Cuenca | 8 |
| 9 | Quito | 8 |
| 10 | Federal | 6 |