| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 983,15 | 12,94 | 1 |
| 2009 | 24 | 304,96 | 12,71 | 1 |
| 2010 | 28 | 239,33 | 8,55 | 1 |
| 2012 | 32 | 398,66 | 12,46 | 1 |
| 2013 | 36 | 427,76 | 11,88 | 1 |
| 2014 | 42 | 539,60 | 12,85 | 1 |
| 2015 | 36 | 497,08 | 13,81 | 1 |
| 2016 | 32 | 448,83 | 14,03 | 1 |
| 2017 | 33 | 415,75 | 12,60 | 1 |
| 2018 | 32 | 395,60 | 12,36 | 1 |
| 2019 | 33 | 426,96 | 12,94 | 1 |
| 2020 | 33 | 431,60 | 13,08 | 1 |
| 2021 | 25 | 345,01 | 13,80 | 1 |
| 2022 | 29 | 356,04 | 12,28 | 1 |
| 2023 | 23 | 314,57 | 13,68 | 1 |
| 2024 | 25 | 355,40 | 14,22 | 1 |
| totale | 539 | 6.880,30 | 12,76 | 16 |