| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 643 | 15.971,53 | 24,84 | 4 |
| 2007 | 353 | 15.033,33 | 42,59 | 3 |
| 2008 | 289 | 9.983,54 | 34,55 | 3 |
| 2009 | 581 | 14.766,20 | 25,42 | 7 |
| 2010 | 801 | 16.922,14 | 21,13 | 6 |
| 2011 | 676 | 14.691,67 | 21,73 | 3 |
| 2012 | 750 | 16.009,71 | 21,35 | 5 |
| 2013 | 710 | 14.017,07 | 19,74 | 5 |
| 2014 | 686 | 16.737,30 | 24,40 | 6 |
| 2015 | 628 | 15.917,36 | 25,35 | 6 |
| 2016 | 614 | 15.755,07 | 25,66 | 4 |
| 2017 | 655 | 17.665,17 | 26,97 | 5 |
| 2018 | 610 | 15.810,25 | 25,92 | 5 |
| 2019 | 614 | 15.184,36 | 24,73 | 5 |
| 2020 | 597 | 15.168,48 | 25,41 | 5 |
| 2021 | 470 | 10.400,45 | 22,13 | 4 |
| 2022 | 478 | 11.032,80 | 23,08 | 3 |
| 2023 | 437 | 9.772,91 | 22,36 | 3 |
| 2024 | 494 | 10.657,59 | 21,57 | 5 |
| totale | 11.086 | 271.496,93 | 24,49 | 87 |