| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 483 | 11.185,09 | 23,16 | 4 |
| 2007 | 240 | 6.579,52 | 27,41 | 2 |
| 2008 | 314 | 8.225,40 | 26,20 | 3 |
| 2009 | 413 | 13.581,71 | 32,89 | 5 |
| 2010 | 418 | 12.098,84 | 28,94 | 5 |
| 2011 | 258 | 6.314,70 | 24,48 | 3 |
| 2012 | 422 | 12.092,42 | 28,66 | 5 |
| 2013 | 395 | 11.115,62 | 28,14 | 4 |
| 2014 | 385 | 14.403,24 | 37,41 | 4 |
| 2015 | 320 | 11.228,66 | 35,09 | 5 |
| 2016 | 382 | 16.789,99 | 43,95 | 6 |
| 2017 | 473 | 16.436,04 | 34,75 | 6 |
| 2018 | 502 | 17.628,92 | 35,12 | 6 |
| 2019 | 525 | 18.860,40 | 35,92 | 6 |
| 2020 | 591 | 20.074,60 | 33,97 | 6 |
| 2021 | 602 | 20.003,57 | 33,23 | 6 |
| 2022 | 587 | 21.774,66 | 37,09 | 6 |
| 2023 | 563 | 22.503,70 | 39,97 | 6 |
| 2024 | 584 | 19.916,06 | 34,10 | 7 |
| totale | 8.457 | 280.813,14 | 33,20 | 95 |