| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 83 | 1.368,27 | 16,49 | 2 |
| 2007 | 15 | 271,19 | 18,08 | 1 |
| 2008 | 78 | 1.500,83 | 19,24 | 1 |
| 2009 | 105 | 1.753,58 | 16,70 | 2 |
| 2010 | 159 | 2.693,16 | 16,94 | 2 |
| 2011 | 135 | 1.999,44 | 14,81 | 1 |
| 2012 | 155 | 2.859,96 | 18,45 | 2 |
| 2013 | 153 | 2.573,06 | 16,82 | 2 |
| 2014 | 156 | 3.347,66 | 21,46 | 2 |
| 2015 | 155 | 3.032,37 | 19,56 | 2 |
| 2016 | 159 | 3.335,26 | 20,98 | 2 |
| 2017 | 152 | 3.419,64 | 22,50 | 2 |
| 2018 | 157 | 3.247,84 | 20,69 | 2 |
| 2019 | 145 | 3.371,34 | 23,25 | 2 |
| 2020 | 131 | 3.433,99 | 26,21 | 2 |
| 2021 | 118 | 2.559,70 | 21,69 | 2 |
| 2022 | 21 | 326,67 | 15,56 | 1 |
| 2023 | 17 | 240,42 | 14,14 | 1 |
| 2024 | 26 | 483,90 | 18,61 | 1 |
| totale | 2.120 | 41.818,28 | 19,73 | 32 |