| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 127 | 1.296,86 | 10,21 | 1 |
| 2008 | 640 | 11.799,84 | 18,44 | 1 |
| 2009 | 564 | 10.194,06 | 18,07 | 2 |
| 2010 | 488 | 7.944,23 | 16,28 | 2 |
| 2011 | 395 | 5.200,69 | 13,17 | 1 |
| 2012 | 382 | 6.400,71 | 16,76 | 2 |
| 2013 | 713 | 11.803,38 | 16,55 | 2 |
| 2014 | 594 | 12.905,71 | 21,73 | 2 |
| 2015 | 547 | 12.283,17 | 22,46 | 2 |
| 2016 | 27 | 633,05 | 23,45 | 1 |
| 2017 | 21 | 538,64 | 25,65 | 1 |
| 2018 | 11 | 75,48 | 6,86 | 1 |
| 2019 | 13 | 179,37 | 13,80 | 1 |
| 2020 | 14 | 169,86 | 12,13 | 2 |
| 2021 | 14 | 240,67 | 17,19 | 2 |
| 2022 | 9 | 125,81 | 13,98 | 2 |
| 2023 | 10 | 165,07 | 16,51 | 3 |
| 2024 | 6 | 187,22 | 31,20 | 3 |
| totale | 4.575 | 82.143,82 | 17,95 | 31 |