| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 365 | 4.383,22 | 12,01 | 3 |
| 2007 | 297 | 4.177,35 | 14,07 | 1 |
| 2008 | 235 | 3.389,36 | 14,42 | 1 |
| 2009 | 394 | 6.042,11 | 15,34 | 3 |
| 2010 | 375 | 5.529,49 | 14,75 | 4 |
| 2011 | 409 | 5.680,43 | 13,89 | 4 |
| 2012 | 464 | 6.598,10 | 14,22 | 4 |
| 2013 | 446 | 5.368,06 | 12,04 | 4 |
| 2014 | 435 | 6.599,43 | 15,17 | 5 |
| 2015 | 372 | 5.400,41 | 14,52 | 5 |
| 2016 | 334 | 4.967,76 | 14,87 | 4 |
| 2017 | 300 | 4.053,45 | 13,51 | 4 |
| 2018 | 293 | 4.047,55 | 13,81 | 4 |
| 2019 | 281 | 4.551,78 | 16,20 | 4 |
| 2020 | 355 | 5.650,94 | 15,92 | 5 |
| 2021 | 395 | 6.357,84 | 16,10 | 6 |
| 2022 | 446 | 7.828,98 | 17,55 | 7 |
| 2023 | 326 | 5.031,86 | 15,44 | 7 |
| 2024 | 353 | 6.165,20 | 17,47 | 9 |
| totale | 6.875 | 101.823,32 | 14,81 | 84 |