| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 499 | 7.887,15 | 15,81 | 2 |
| 2007 | 19 | 373,78 | 19,67 | 1 |
| 2008 | 16 | 241,26 | 15,08 | 1 |
| 2009 | 98 | 2.207,68 | 22,53 | 3 |
| 2010 | 129 | 1.986,02 | 15,40 | 3 |
| 2011 | 38 | 579,43 | 15,25 | 3 |
| 2012 | 135 | 2.368,31 | 17,54 | 5 |
| 2013 | 354 | 6.159,53 | 17,40 | 5 |
| 2014 | 424 | 8.871,01 | 20,92 | 5 |
| 2015 | 467 | 9.975,79 | 21,36 | 5 |
| 2016 | 550 | 11.410,88 | 20,75 | 5 |
| 2017 | 531 | 11.257,89 | 21,20 | 5 |
| 2018 | 478 | 10.433,90 | 21,83 | 5 |
| 2019 | 472 | 10.221,39 | 21,66 | 5 |
| 2020 | 437 | 10.618,82 | 24,30 | 5 |
| 2021 | 353 | 8.751,73 | 24,79 | 5 |
| 2022 | 301 | 8.031,64 | 26,68 | 6 |
| 2023 | 341 | 8.407,45 | 24,66 | 7 |
| 2024 | 381 | 9.525,38 | 25,00 | 10 |
| totale | 6.023 | 129.309,04 | 21,47 | 86 |