| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 235 | 4.697,52 | 19,99 | 2 |
| 2007 | 124 | 2.595,67 | 20,93 | 2 |
| 2008 | 26 | 1.483,14 | 57,04 | 2 |
| 2009 | 119 | 3.551,78 | 29,85 | 4 |
| 2010 | 239 | 8.829,61 | 36,94 | 6 |
| 2011 | 229 | 8.162,58 | 35,64 | 4 |
| 2012 | 515 | 14.917,95 | 28,97 | 8 |
| 2013 | 486 | 13.542,87 | 27,87 | 5 |
| 2014 | 492 | 14.004,65 | 28,46 | 6 |
| 2015 | 507 | 16.459,99 | 32,47 | 7 |
| 2016 | 494 | 14.632,71 | 29,62 | 6 |
| 2017 | 527 | 15.733,12 | 29,85 | 6 |
| 2018 | 483 | 15.712,15 | 32,53 | 6 |
| 2019 | 501 | 14.700,56 | 29,34 | 6 |
| 2020 | 537 | 16.831,22 | 31,34 | 6 |
| 2021 | 463 | 14.146,64 | 30,55 | 6 |
| 2022 | 455 | 13.221,35 | 29,06 | 6 |
| 2023 | 517 | 17.334,18 | 33,53 | 7 |
| 2024 | 650 | 19.070,35 | 29,34 | 8 |
| totale | 7.599 | 229.628,04 | 30,22 | 103 |