| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 476 | 8.045,99 | 16,90 | 2 |
| 2007 | 390 | 7.660,91 | 19,64 | 1 |
| 2008 | 425 | 7.988,27 | 18,80 | 1 |
| 2009 | 416 | 7.658,30 | 18,41 | 2 |
| 2010 | 468 | 8.302,29 | 17,74 | 3 |
| 2011 | 439 | 7.147,95 | 16,28 | 2 |
| 2012 | 475 | 8.363,39 | 17,61 | 3 |
| 2013 | 508 | 8.063,75 | 15,87 | 3 |
| 2014 | 482 | 10.812,18 | 22,43 | 3 |
| 2015 | 440 | 10.865,76 | 24,69 | 3 |
| 2016 | 428 | 9.485,28 | 22,16 | 4 |
| 2017 | 370 | 9.045,75 | 24,45 | 4 |
| 2018 | 336 | 7.656,13 | 22,79 | 5 |
| 2019 | 333 | 7.233,23 | 21,72 | 4 |
| 2020 | 306 | 6.612,93 | 21,61 | 4 |
| 2021 | 289 | 6.251,60 | 21,63 | 4 |
| 2022 | 275 | 6.172,99 | 22,45 | 4 |
| 2023 | 257 | 6.040,28 | 23,50 | 5 |
| 2024 | 266 | 6.256,97 | 23,52 | 5 |
| totale | 7.379 | 149.663,95 | 20,28 | 62 |