| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 202 | 3.970,54 | 19,66 | 2 |
| 2007 | 152 | 2.366,06 | 15,57 | 1 |
| 2008 | 147 | 2.364,03 | 16,08 | 1 |
| 2009 | 134 | 2.303,39 | 17,19 | 2 |
| 2010 | 337 | 5.620,89 | 16,68 | 2 |
| 2011 | 285 | 4.328,71 | 15,19 | 1 |
| 2012 | 332 | 5.156,99 | 15,53 | 3 |
| 2013 | 320 | 4.853,67 | 15,17 | 3 |
| 2014 | 319 | 5.879,72 | 18,43 | 2 |
| 2015 | 369 | 6.341,39 | 17,19 | 2 |
| 2016 | 341 | 6.051,24 | 17,75 | 2 |
| 2017 | 453 | 9.348,58 | 20,64 | 3 |
| 2018 | 495 | 9.906,21 | 20,01 | 4 |
| 2019 | 482 | 9.835,87 | 20,41 | 4 |
| 2020 | 470 | 10.525,28 | 22,39 | 5 |
| 2021 | 461 | 10.375,54 | 22,51 | 5 |
| 2022 | 494 | 11.226,91 | 22,73 | 5 |
| 2023 | 496 | 10.492,53 | 21,15 | 5 |
| 2024 | 450 | 7.762,51 | 17,25 | 4 |
| totale | 6.739 | 128.710,06 | 19,10 | 56 |