| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 710 | 15.301,68 | 21,55 | 5 |
| 2007 | 410 | 10.362,58 | 25,27 | 2 |
| 2008 | 637 | 16.038,12 | 25,18 | 4 |
| 2009 | 248 | 6.504,89 | 26,23 | 5 |
| 2010 | 789 | 18.013,22 | 22,83 | 6 |
| 2011 | 719 | 14.320,57 | 19,92 | 5 |
| 2012 | 730 | 15.009,62 | 20,56 | 7 |
| 2013 | 663 | 13.275,51 | 20,02 | 6 |
| 2014 | 633 | 15.854,90 | 25,05 | 5 |
| 2015 | 614 | 15.973,79 | 26,02 | 5 |
| 2016 | 608 | 15.163,75 | 24,94 | 5 |
| 2017 | 570 | 14.425,39 | 25,31 | 5 |
| 2018 | 454 | 12.492,57 | 27,52 | 5 |
| 2019 | 465 | 12.382,72 | 26,63 | 5 |
| 2020 | 402 | 11.517,56 | 28,65 | 5 |
| 2021 | 335 | 9.952,12 | 29,71 | 4 |
| 2022 | 315 | 8.929,63 | 28,35 | 5 |
| 2023 | 307 | 9.394,39 | 30,60 | 4 |
| 2024 | 273 | 8.028,12 | 29,41 | 4 |
| totale | 9.882 | 242.941,13 | 24,58 | 92 |