| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 372 | 7.304,37 | 19,64 | 1 |
| 2007 | 102 | 2.340,92 | 22,95 | 2 |
| 2008 | 185 | 4.088,80 | 22,10 | 2 |
| 2009 | 321 | 7.080,42 | 22,06 | 3 |
| 2010 | 290 | 5.832,25 | 20,11 | 3 |
| 2011 | 204 | 3.780,85 | 18,53 | 1 |
| 2012 | 332 | 7.411,58 | 22,32 | 3 |
| 2013 | 326 | 6.458,70 | 19,81 | 3 |
| 2014 | 323 | 8.234,62 | 25,49 | 3 |
| 2015 | 342 | 8.837,05 | 25,84 | 3 |
| 2016 | 347 | 9.243,44 | 26,64 | 3 |
| 2017 | 325 | 8.042,82 | 24,75 | 3 |
| 2018 | 357 | 9.283,19 | 26,00 | 3 |
| 2019 | 348 | 9.447,53 | 27,15 | 3 |
| 2020 | 312 | 8.926,34 | 28,61 | 3 |
| 2021 | 304 | 8.495,45 | 27,95 | 4 |
| 2022 | 291 | 8.628,74 | 29,65 | 4 |
| 2023 | 292 | 8.223,22 | 28,16 | 5 |
| 2024 | 315 | 8.194,53 | 26,01 | 5 |
| totale | 5.688 | 139.854,82 | 24,59 | 57 |