| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 252 | 5.422,12 | 21,52 | 2 |
| 2007 | 178 | 4.063,79 | 22,83 | 2 |
| 2008 | 286 | 6.252,28 | 21,86 | 2 |
| 2009 | 328 | 7.648,74 | 23,32 | 3 |
| 2010 | 370 | 6.749,88 | 18,24 | 3 |
| 2011 | 345 | 6.099,01 | 17,68 | 2 |
| 2012 | 374 | 7.349,89 | 19,65 | 4 |
| 2013 | 473 | 9.309,45 | 19,68 | 4 |
| 2014 | 483 | 11.488,40 | 23,79 | 5 |
| 2015 | 472 | 11.060,43 | 23,43 | 4 |
| 2016 | 392 | 8.841,10 | 22,55 | 2 |
| 2017 | 397 | 9.080,91 | 22,87 | 2 |
| 2018 | 417 | 9.412,21 | 22,57 | 2 |
| 2019 | 430 | 9.700,37 | 22,56 | 3 |
| 2020 | 430 | 10.273,55 | 23,89 | 3 |
| 2021 | 406 | 9.756,38 | 24,03 | 3 |
| 2022 | 404 | 9.499,93 | 23,51 | 3 |
| 2023 | 454 | 9.776,84 | 21,53 | 4 |
| 2024 | 505 | 11.094,36 | 21,97 | 4 |
| totale | 7.396 | 162.879,64 | 22,02 | 57 |