| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 247 | 4.865,61 | 19,70 | 1 |
| 2007 | 121 | 3.342,29 | 27,62 | 2 |
| 2008 | 185 | 5.169,00 | 27,94 | 3 |
| 2009 | 111 | 2.661,14 | 23,97 | 2 |
| 2010 | 177 | 4.245,10 | 23,98 | 4 |
| 2011 | 146 | 3.396,86 | 23,27 | 3 |
| 2012 | 327 | 7.393,49 | 22,61 | 5 |
| 2013 | 403 | 8.791,47 | 21,82 | 6 |
| 2014 | 495 | 15.869,68 | 32,06 | 7 |
| 2015 | 487 | 13.423,33 | 27,56 | 6 |
| 2016 | 502 | 14.304,15 | 28,49 | 8 |
| 2017 | 533 | 18.270,66 | 34,28 | 8 |
| 2018 | 542 | 18.003,16 | 33,22 | 8 |
| 2019 | 599 | 21.640,17 | 36,13 | 7 |
| 2020 | 629 | 21.769,04 | 34,61 | 7 |
| 2021 | 651 | 22.377,91 | 34,37 | 8 |
| 2022 | 579 | 18.580,27 | 32,09 | 5 |
| 2023 | 753 | 23.028,49 | 30,58 | 6 |
| 2024 | 763 | 22.335,75 | 29,27 | 6 |
| totale | 8.250 | 249.467,57 | 30,24 | 102 |