| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 280 | 12.023,04 | 42,94 | 2 |
| 2007 | 392 | 16.584,10 | 42,31 | 1 |
| 2008 | 521 | 20.330,65 | 39,02 | 1 |
| 2009 | 551 | 19.196,63 | 34,84 | 2 |
| 2010 | 511 | 16.267,27 | 31,83 | 2 |
| 2011 | 517 | 14.339,50 | 27,74 | 1 |
| 2012 | 565 | 16.244,88 | 28,75 | 2 |
| 2013 | 686 | 16.462,12 | 24,00 | 2 |
| 2014 | 506 | 15.780,99 | 31,19 | 2 |
| 2015 | 533 | 16.102,84 | 30,21 | 2 |
| 2016 | 551 | 16.341,63 | 29,66 | 2 |
| 2017 | 487 | 14.316,84 | 29,40 | 2 |
| 2018 | 453 | 13.061,78 | 28,83 | 2 |
| 2019 | 381 | 11.883,21 | 31,19 | 3 |
| 2020 | 373 | 12.156,71 | 32,59 | 2 |
| 2021 | 341 | 10.885,48 | 31,92 | 2 |
| 2022 | 320 | 10.102,84 | 31,57 | 2 |
| 2023 | 299 | 9.607,42 | 32,13 | 2 |
| 2024 | 286 | 8.350,54 | 29,20 | 4 |
| totale | 8.553 | 270.038,47 | 31,57 | 38 |