| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 32 | 589,14 | 18,41 | 1 |
| 2007 | 290 | 5.645,68 | 19,47 | 1 |
| 2008 | 318 | 6.248,74 | 19,65 | 2 |
| 2009 | 386 | 8.354,46 | 21,64 | 3 |
| 2010 | 504 | 8.431,94 | 16,73 | 3 |
| 2011 | 464 | 7.901,44 | 17,03 | 2 |
| 2012 | 416 | 7.934,77 | 19,07 | 3 |
| 2013 | 155 | 2.666,79 | 17,21 | 2 |
| 2014 | 361 | 7.832,54 | 21,70 | 3 |
| 2015 | 404 | 8.259,92 | 20,45 | 3 |
| 2016 | 463 | 8.984,63 | 19,41 | 3 |
| 2017 | 477 | 9.872,82 | 20,70 | 4 |
| 2018 | 448 | 9.353,49 | 20,88 | 4 |
| 2019 | 450 | 9.091,95 | 20,20 | 4 |
| 2020 | 101 | 3.298,82 | 32,66 | 3 |
| 2021 | 51 | 1.940,53 | 38,05 | 3 |
| 2022 | 306 | 6.204,98 | 20,28 | 3 |
| 2023 | 50 | 1.599,38 | 31,99 | 3 |
| 2024 | 44 | 1.438,06 | 32,68 | 3 |
| totale | 5.720 | 115.650,08 | 20,22 | 53 |