| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 501 | 8.393,47 | 16,75 | 2 |
| 2007 | 28 | 870,04 | 31,07 | 1 |
| 2008 | 47 | 949,70 | 20,21 | 2 |
| 2009 | 489 | 8.025,04 | 16,41 | 4 |
| 2010 | 349 | 5.478,02 | 15,70 | 5 |
| 2011 | 55 | 1.001,10 | 18,20 | 2 |
| 2012 | 294 | 4.059,98 | 13,81 | 4 |
| 2013 | 267 | 3.756,81 | 14,07 | 3 |
| 2014 | 281 | 5.625,68 | 20,02 | 2 |
| 2015 | 298 | 5.376,08 | 18,04 | 2 |
| 2016 | 326 | 6.401,12 | 19,64 | 2 |
| 2017 | 329 | 7.201,52 | 21,89 | 4 |
| 2018 | 327 | 7.406,09 | 22,65 | 4 |
| 2019 | 356 | 7.574,17 | 21,28 | 4 |
| 2020 | 368 | 8.725,13 | 23,71 | 4 |
| 2021 | 330 | 7.679,47 | 23,27 | 4 |
| 2022 | 354 | 8.565,82 | 24,20 | 5 |
| 2023 | 329 | 7.479,05 | 22,73 | 5 |
| 2024 | 343 | 8.335,49 | 24,30 | 6 |
| totale | 5.671 | 112.903,78 | 19,91 | 65 |