| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 289 | 4.896,02 | 16,94 | 4 |
| 2007 | 186 | 4.037,40 | 21,71 | 3 |
| 2008 | 299 | 6.204,10 | 20,75 | 4 |
| 2009 | 325 | 6.963,87 | 21,43 | 5 |
| 2010 | 341 | 6.627,55 | 19,44 | 5 |
| 2011 | 299 | 5.085,83 | 17,01 | 3 |
| 2012 | 588 | 11.793,67 | 20,06 | 6 |
| 2013 | 449 | 8.849,40 | 19,71 | 7 |
| 2014 | 326 | 7.686,54 | 23,58 | 4 |
| 2015 | 230 | 6.851,34 | 29,79 | 4 |
| 2016 | 292 | 8.339,92 | 28,56 | 4 |
| 2017 | 255 | 6.111,28 | 23,97 | 4 |
| 2018 | 223 | 6.445,09 | 28,90 | 5 |
| 2019 | 215 | 4.853,40 | 22,57 | 5 |
| 2020 | 206 | 5.131,98 | 24,91 | 6 |
| 2021 | 192 | 4.423,23 | 23,04 | 6 |
| 2022 | 173 | 3.976,09 | 22,98 | 6 |
| 2023 | 158 | 3.423,34 | 21,67 | 5 |
| 2024 | 148 | 3.283,42 | 22,19 | 9 |
| totale | 5.194 | 114.983,47 | 22,14 | 95 |