| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 326 | 6.348,17 | 19,47 | 2 |
| 2007 | 234 | 5.000,75 | 21,37 | 2 |
| 2008 | 140 | 2.709,98 | 19,36 | 1 |
| 2009 | 197 | 4.758,59 | 24,16 | 5 |
| 2010 | 152 | 2.857,57 | 18,80 | 3 |
| 2011 | 204 | 3.515,40 | 17,23 | 2 |
| 2012 | 241 | 4.872,18 | 20,22 | 3 |
| 2013 | 355 | 6.547,55 | 18,44 | 3 |
| 2014 | 228 | 5.314,64 | 23,31 | 4 |
| 2015 | 385 | 10.341,33 | 26,86 | 6 |
| 2016 | 392 | 9.499,80 | 24,23 | 5 |
| 2017 | 404 | 10.227,32 | 25,32 | 6 |
| 2018 | 400 | 10.498,72 | 26,25 | 6 |
| 2019 | 412 | 10.822,55 | 26,27 | 6 |
| 2020 | 353 | 10.488,48 | 29,71 | 6 |
| 2021 | 313 | 8.479,48 | 27,09 | 6 |
| 2022 | 182 | 4.963,83 | 27,27 | 5 |
| 2023 | 197 | 4.926,35 | 25,01 | 5 |
| 2024 | 206 | 5.037,14 | 24,45 | 5 |
| totale | 5.321 | 127.209,83 | 23,91 | 81 |