| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 328 | 6.408,32 | 19,54 | 2 |
| 2007 | 205 | 6.068,70 | 29,60 | 2 |
| 2008 | 412 | 10.041,30 | 24,37 | 2 |
| 2009 | 442 | 10.122,53 | 22,90 | 4 |
| 2010 | 531 | 9.718,30 | 18,30 | 2 |
| 2011 | 676 | 13.296,26 | 19,67 | 2 |
| 2012 | 791 | 18.717,05 | 23,66 | 4 |
| 2013 | 814 | 17.310,84 | 21,27 | 4 |
| 2014 | 753 | 20.824,76 | 27,66 | 4 |
| 2015 | 666 | 18.374,00 | 27,59 | 4 |
| 2016 | 701 | 20.757,71 | 29,61 | 4 |
| 2017 | 675 | 22.011,63 | 32,61 | 5 |
| 2018 | 649 | 21.243,24 | 32,73 | 5 |
| 2019 | 599 | 19.228,67 | 32,10 | 5 |
| 2020 | 551 | 17.248,32 | 31,30 | 5 |
| 2021 | 503 | 18.479,38 | 36,74 | 5 |
| 2022 | 458 | 14.273,09 | 31,16 | 5 |
| 2023 | 414 | 15.619,62 | 37,73 | 6 |
| 2024 | 395 | 14.130,19 | 35,77 | 6 |
| totale | 10.563 | 293.873,91 | 27,82 | 76 |