| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 412 | 9.866,91 | 23,95 | 2 |
| 2007 | 272 | 5.685,75 | 20,90 | 1 |
| 2008 | 330 | 6.053,97 | 18,35 | 1 |
| 2009 | 414 | 7.043,61 | 17,01 | 2 |
| 2010 | 467 | 7.530,86 | 16,13 | 3 |
| 2011 | 421 | 6.743,27 | 16,02 | 2 |
| 2012 | 464 | 9.261,54 | 19,96 | 4 |
| 2013 | 526 | 11.899,82 | 22,62 | 6 |
| 2014 | 595 | 15.413,91 | 25,91 | 6 |
| 2015 | 581 | 15.646,27 | 26,93 | 7 |
| 2016 | 582 | 14.222,39 | 24,44 | 7 |
| 2017 | 527 | 12.090,94 | 22,94 | 8 |
| 2018 | 530 | 11.446,89 | 21,60 | 9 |
| 2019 | 527 | 11.082,15 | 21,03 | 8 |
| 2020 | 563 | 14.349,18 | 25,49 | 9 |
| 2021 | 520 | 13.827,62 | 26,59 | 8 |
| 2022 | 614 | 15.443,98 | 25,15 | 9 |
| 2023 | 636 | 16.359,07 | 25,72 | 12 |
| 2024 | 665 | 16.340,40 | 24,57 | 12 |
| totale | 9.646 | 220.308,53 | 22,84 | 116 |