| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 663 | 12.762,96 | 19,25 | 5 |
| 2007 | 550 | 12.515,93 | 22,76 | 4 |
| 2008 | 635 | 16.666,28 | 26,25 | 5 |
| 2009 | 514 | 13.083,74 | 25,45 | 6 |
| 2010 | 609 | 11.988,28 | 19,69 | 7 |
| 2011 | 406 | 7.215,93 | 17,77 | 4 |
| 2012 | 405 | 8.608,60 | 21,26 | 6 |
| 2013 | 388 | 7.060,95 | 18,20 | 5 |
| 2014 | 381 | 9.335,25 | 24,50 | 6 |
| 2015 | 352 | 10.291,04 | 29,24 | 6 |
| 2016 | 345 | 8.285,34 | 24,02 | 6 |
| 2017 | 336 | 8.207,03 | 24,43 | 6 |
| 2018 | 383 | 11.284,97 | 29,46 | 7 |
| 2019 | 442 | 14.828,29 | 33,55 | 7 |
| 2020 | 444 | 16.045,42 | 36,14 | 7 |
| 2021 | 436 | 13.914,20 | 31,91 | 8 |
| 2022 | 473 | 14.396,39 | 30,44 | 8 |
| 2023 | 472 | 14.830,50 | 31,42 | 8 |
| 2024 | 485 | 16.690,25 | 34,41 | 8 |
| totale | 8.719 | 228.011,35 | 26,15 | 119 |