| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 385 | 6.829,05 | 17,74 | 2 |
| 2009 | 302 | 5.201,56 | 17,22 | 2 |
| 2010 | 214 | 3.819,06 | 17,85 | 3 |
| 2011 | 382 | 5.662,54 | 14,82 | 1 |
| 2012 | 464 | 6.759,45 | 14,57 | 2 |
| 2013 | 461 | 6.318,25 | 13,71 | 2 |
| 2014 | 37 | 682,20 | 18,44 | 1 |
| 2015 | 189 | 3.727,95 | 19,72 | 2 |
| 2016 | 162 | 3.447,00 | 21,28 | 2 |
| 2017 | 136 | 2.402,05 | 17,66 | 2 |
| 2018 | 189 | 3.447,68 | 18,24 | 2 |
| 2019 | 122 | 2.851,19 | 23,37 | 2 |
| 2020 | 108 | 2.250,29 | 20,84 | 3 |
| 2021 | 633 | 11.767,85 | 18,59 | 3 |
| 2022 | 562 | 10.127,50 | 18,02 | 2 |
| 2023 | 199 | 4.227,33 | 21,24 | 3 |
| 2024 | 299 | 6.396,13 | 21,39 | 3 |
| totale | 4.844 | 85.917,08 | 17,74 | 37 |