| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 420 | 9.816,62 | 23,37 | 3 |
| 2007 | 168 | 4.460,95 | 26,55 | 2 |
| 2008 | 460 | 13.038,76 | 28,35 | 2 |
| 2009 | 574 | 16.897,75 | 29,44 | 3 |
| 2010 | 489 | 12.426,78 | 25,41 | 3 |
| 2011 | 453 | 11.877,29 | 26,22 | 2 |
| 2012 | 495 | 14.551,16 | 29,40 | 3 |
| 2013 | 545 | 13.292,42 | 24,39 | 3 |
| 2014 | 553 | 17.675,12 | 31,96 | 3 |
| 2015 | 516 | 16.917,31 | 32,79 | 3 |
| 2016 | 527 | 16.697,16 | 31,68 | 3 |
| 2017 | 480 | 15.385,01 | 32,05 | 4 |
| 2018 | 447 | 14.520,47 | 32,48 | 5 |
| 2019 | 445 | 13.743,61 | 30,88 | 6 |
| 2020 | 433 | 14.970,85 | 34,57 | 6 |
| 2021 | 462 | 15.092,44 | 32,67 | 7 |
| 2022 | 290 | 10.694,92 | 36,88 | 4 |
| 2023 | 318 | 11.381,13 | 35,79 | 5 |
| 2024 | 387 | 12.031,81 | 31,09 | 7 |
| totale | 8.462 | 255.471,56 | 30,19 | 74 |