| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 697 | 14.499,72 | 20,80 | 5 |
| 2007 | 648 | 15.063,06 | 23,25 | 5 |
| 2008 | 558 | 13.500,37 | 24,19 | 2 |
| 2009 | 764 | 17.802,58 | 23,30 | 5 |
| 2010 | 728 | 16.316,75 | 22,41 | 6 |
| 2011 | 547 | 10.663,05 | 19,49 | 3 |
| 2012 | 482 | 9.356,46 | 19,41 | 4 |
| 2013 | 564 | 9.890,86 | 17,54 | 4 |
| 2014 | 558 | 12.498,59 | 22,40 | 4 |
| 2015 | 584 | 12.938,56 | 22,16 | 4 |
| 2016 | 597 | 13.993,08 | 23,44 | 4 |
| 2017 | 592 | 13.995,22 | 23,64 | 4 |
| 2018 | 542 | 13.726,11 | 25,32 | 4 |
| 2019 | 528 | 13.296,99 | 25,18 | 4 |
| 2020 | 530 | 13.944,10 | 26,31 | 5 |
| 2021 | 562 | 14.206,51 | 25,28 | 5 |
| 2022 | 581 | 16.677,72 | 28,71 | 6 |
| 2023 | 585 | 16.113,99 | 27,55 | 7 |
| 2024 | 579 | 14.869,45 | 25,68 | 9 |
| totale | 11.226 | 263.353,17 | 23,46 | 90 |