| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 588 | 15.070,40 | 25,63 | 4 |
| 2007 | 479 | 13.169,87 | 27,49 | 2 |
| 2008 | 444 | 12.322,45 | 27,75 | 2 |
| 2009 | 642 | 15.704,91 | 24,46 | 4 |
| 2010 | 553 | 12.146,35 | 21,96 | 3 |
| 2011 | 593 | 12.107,80 | 20,42 | 4 |
| 2012 | 561 | 12.494,69 | 22,27 | 5 |
| 2013 | 529 | 10.661,42 | 20,15 | 5 |
| 2014 | 522 | 13.341,79 | 25,56 | 5 |
| 2015 | 536 | 15.396,18 | 28,72 | 7 |
| 2016 | 568 | 16.155,57 | 28,44 | 6 |
| 2017 | 568 | 15.416,28 | 27,14 | 6 |
| 2018 | 540 | 14.712,01 | 27,24 | 6 |
| 2019 | 435 | 11.535,09 | 26,52 | 4 |
| 2020 | 570 | 15.674,71 | 27,50 | 6 |
| 2021 | 535 | 15.063,28 | 28,16 | 6 |
| 2022 | 546 | 16.499,50 | 30,22 | 6 |
| 2023 | 541 | 15.534,40 | 28,71 | 6 |
| 2024 | 546 | 15.477,39 | 28,35 | 6 |
| totale | 10.296 | 268.484,09 | 26,08 | 93 |