| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 89 | 2.331,83 | 26,20 | 1 |
| 2007 | 295 | 6.636,33 | 22,50 | 1 |
| 2008 | 539 | 12.634,87 | 23,44 | 2 |
| 2009 | 151 | 4.131,39 | 27,36 | 2 |
| 2010 | 344 | 9.027,99 | 26,24 | 2 |
| 2011 | 344 | 8.046,53 | 23,39 | 1 |
| 2012 | 381 | 14.366,22 | 37,71 | 3 |
| 2013 | 391 | 20.063,52 | 51,31 | 3 |
| 2014 | 773 | 28.704,03 | 37,13 | 4 |
| 2015 | 669 | 21.043,15 | 31,45 | 4 |
| 2016 | 655 | 19.495,95 | 29,76 | 3 |
| 2017 | 631 | 17.806,07 | 28,22 | 3 |
| 2018 | 546 | 16.350,07 | 29,95 | 3 |
| 2019 | 330 | 9.647,08 | 29,23 | 3 |
| 2020 | 272 | 8.305,32 | 30,53 | 3 |
| 2021 | 332 | 9.151,32 | 27,56 | 3 |
| 2022 | 342 | 8.371,52 | 24,48 | 3 |
| 2023 | 339 | 8.128,22 | 23,98 | 4 |
| 2024 | 474 | 12.235,37 | 25,81 | 5 |
| totale | 7.897 | 236.476,78 | 29,95 | 53 |