| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 32 | 645,05 | 20,16 | 1 |
| 2007 | 12 | 234,86 | 19,57 | 1 |
| 2009 | 3 | 87,12 | 29,04 | 1 |
| 2010 | 7 | 71,20 | 10,17 | 1 |
| 2012 | 12 | 264,55 | 22,05 | 1 |
| 2013 | 7 | 148,42 | 21,20 | 1 |
| 2014 | 8 | 165,12 | 20,64 | 1 |
| 2015 | 22 | 540,14 | 24,55 | 2 |
| 2016 | 22 | 578,04 | 26,27 | 2 |
| 2017 | 16 | 372,06 | 23,25 | 2 |
| 2018 | 4 | 111,59 | 27,90 | 1 |
| 2019 | 82 | 1.959,71 | 23,90 | 2 |
| 2020 | 32 | 865,58 | 27,05 | 2 |
| 2021 | 19 | 395,14 | 20,80 | 2 |
| 2022 | 15 | 386,86 | 25,79 | 2 |
| 2023 | 21 | 662,73 | 31,56 | 2 |
| 2024 | 15 | 423,37 | 28,22 | 2 |
| totale | 329 | 7.911,54 | 24,05 | 26 |