| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 809 | 18.439,43 | 22,79 | 5 |
| 2007 | 738 | 15.012,93 | 20,34 | 6 |
| 2008 | 695 | 14.894,26 | 21,43 | 4 |
| 2009 | 684 | 15.537,71 | 22,72 | 7 |
| 2010 | 758 | 15.882,15 | 20,95 | 10 |
| 2011 | 619 | 12.604,97 | 20,36 | 9 |
| 2012 | 722 | 16.011,06 | 22,18 | 10 |
| 2013 | 705 | 15.472,03 | 21,95 | 10 |
| 2014 | 688 | 18.478,87 | 26,86 | 14 |
| 2015 | 534 | 15.282,46 | 28,62 | 13 |
| 2016 | 480 | 13.739,82 | 28,62 | 11 |
| 2017 | 567 | 17.184,64 | 30,31 | 15 |
| 2018 | 492 | 15.556,63 | 31,62 | 17 |
| 2019 | 537 | 17.674,02 | 32,91 | 18 |
| 2020 | 519 | 23.477,49 | 45,24 | 18 |
| 2021 | 614 | 26.738,76 | 43,55 | 22 |
| 2022 | 592 | 31.668,51 | 53,49 | 22 |
| 2023 | 598 | 27.442,04 | 45,89 | 24 |
| 2024 | 657 | 26.816,45 | 40,82 | 24 |
| totale | 12.008 | 357.914,23 | 29,81 | 259 |