| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 760 | 19.022,72 | 25,03 | 2 |
| 2007 | 757 | 18.955,72 | 25,04 | 2 |
| 2008 | 450 | 11.514,14 | 25,59 | 2 |
| 2009 | 447 | 11.166,55 | 24,98 | 3 |
| 2010 | 508 | 10.688,21 | 21,04 | 3 |
| 2011 | 392 | 8.749,75 | 22,32 | 2 |
| 2012 | 384 | 8.553,65 | 22,28 | 3 |
| 2013 | 495 | 9.388,10 | 18,97 | 4 |
| 2014 | 388 | 9.847,59 | 25,38 | 5 |
| 2015 | 363 | 8.956,74 | 24,67 | 4 |
| 2016 | 354 | 8.472,81 | 23,93 | 4 |
| 2017 | 362 | 8.793,62 | 24,29 | 4 |
| 2018 | 352 | 8.654,09 | 24,59 | 4 |
| 2019 | 388 | 9.616,15 | 24,78 | 4 |
| 2020 | 397 | 10.652,83 | 26,83 | 5 |
| 2021 | 365 | 10.548,47 | 28,90 | 5 |
| 2022 | 348 | 8.794,08 | 25,27 | 5 |
| 2023 | 338 | 8.042,24 | 23,79 | 5 |
| 2024 | 378 | 9.153,95 | 24,22 | 5 |
| totale | 8.226 | 199.571,41 | 24,26 | 71 |