| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 524 | 16.364,93 | 31,23 | 3 |
| 2007 | 382 | 16.606,40 | 43,47 | 2 |
| 2008 | 469 | 20.240,78 | 43,16 | 2 |
| 2009 | 482 | 18.824,14 | 39,05 | 4 |
| 2010 | 592 | 17.958,78 | 30,34 | 5 |
| 2011 | 571 | 17.735,99 | 31,06 | 3 |
| 2012 | 658 | 19.510,17 | 29,65 | 5 |
| 2013 | 717 | 19.124,88 | 26,67 | 4 |
| 2014 | 939 | 29.094,31 | 30,98 | 7 |
| 2015 | 908 | 26.773,41 | 29,49 | 7 |
| 2016 | 884 | 28.087,18 | 31,77 | 9 |
| 2017 | 826 | 24.200,81 | 29,30 | 9 |
| 2018 | 816 | 22.259,17 | 27,28 | 9 |
| 2019 | 787 | 20.651,77 | 26,24 | 10 |
| 2020 | 715 | 20.023,08 | 28,00 | 9 |
| 2021 | 655 | 19.175,92 | 29,28 | 8 |
| 2022 | 637 | 18.834,80 | 29,57 | 9 |
| 2023 | 660 | 19.155,98 | 29,02 | 10 |
| 2024 | 613 | 18.312,88 | 29,87 | 13 |
| totale | 12.835 | 392.935,38 | 30,61 | 128 |