| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 447 | 7.848,24 | 17,56 | 3 |
| 2007 | 515 | 10.009,02 | 19,43 | 2 |
| 2008 | 423 | 8.578,77 | 20,28 | 2 |
| 2009 | 417 | 8.169,32 | 19,59 | 3 |
| 2010 | 543 | 8.154,57 | 15,02 | 3 |
| 2011 | 417 | 6.152,95 | 14,76 | 1 |
| 2012 | 385 | 6.348,54 | 16,49 | 3 |
| 2013 | 425 | 6.536,45 | 15,38 | 3 |
| 2014 | 439 | 8.027,69 | 18,29 | 2 |
| 2015 | 397 | 7.723,74 | 19,46 | 3 |
| 2016 | 394 | 7.703,73 | 19,55 | 4 |
| 2017 | 363 | 7.210,69 | 19,86 | 3 |
| 2018 | 401 | 7.986,86 | 19,92 | 4 |
| 2019 | 442 | 8.821,96 | 19,96 | 4 |
| 2020 | 452 | 9.536,12 | 21,10 | 5 |
| 2021 | 441 | 9.585,52 | 21,74 | 5 |
| 2022 | 444 | 9.490,50 | 21,38 | 5 |
| 2023 | 452 | 9.395,46 | 20,79 | 5 |
| 2024 | 490 | 9.480,36 | 19,35 | 5 |
| totale | 8.287 | 156.760,49 | 18,92 | 65 |