| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 160 | 2.361,97 | 14,76 | 1 |
| 2009 | 7 | 95,85 | 13,69 | 1 |
| 2010 | 23 | 613,13 | 26,66 | 1 |
| 2012 | 19 | 492,45 | 25,92 | 1 |
| 2013 | 20 | 478,72 | 23,94 | 1 |
| 2014 | 17 | 489,77 | 28,81 | 1 |
| 2015 | 24 | 635,55 | 26,48 | 1 |
| 2016 | 21 | 625,51 | 29,79 | 1 |
| 2017 | 24 | 547,04 | 22,79 | 1 |
| 2018 | 21 | 515,96 | 24,57 | 1 |
| 2019 | 26 | 663,14 | 25,51 | 1 |
| 2020 | 20 | 532,46 | 26,62 | 1 |
| 2021 | 25 | 516,33 | 20,65 | 1 |
| 2022 | 32 | 842,73 | 26,34 | 1 |
| 2023 | 24 | 536,41 | 22,35 | 1 |
| 2024 | 22 | 601,95 | 27,36 | 1 |
| totale | 485 | 10.548,97 | 21,75 | 16 |