| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 318 | 6.111,54 | 19,22 | 2 |
| 2007 | 115 | 3.111,81 | 27,06 | 1 |
| 2008 | 217 | 6.180,32 | 28,48 | 2 |
| 2009 | 337 | 8.065,30 | 23,93 | 3 |
| 2010 | 330 | 6.892,01 | 20,88 | 4 |
| 2011 | 236 | 4.419,67 | 18,73 | 3 |
| 2012 | 392 | 8.929,83 | 22,78 | 5 |
| 2013 | 442 | 9.184,59 | 20,78 | 5 |
| 2014 | 430 | 11.294,80 | 26,27 | 5 |
| 2015 | 642 | 16.285,06 | 25,37 | 6 |
| 2016 | 656 | 16.750,88 | 25,53 | 5 |
| 2017 | 787 | 21.464,01 | 27,27 | 6 |
| 2018 | 742 | 18.541,72 | 24,99 | 6 |
| 2019 | 736 | 19.958,66 | 27,12 | 6 |
| 2020 | 715 | 20.114,69 | 28,13 | 7 |
| 2021 | 698 | 19.025,65 | 27,26 | 8 |
| 2022 | 674 | 18.139,50 | 26,91 | 8 |
| 2023 | 663 | 17.305,23 | 26,10 | 9 |
| 2024 | 643 | 18.053,78 | 28,08 | 10 |
| totale | 9.773 | 249.829,05 | 25,56 | 101 |