| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 679 | 17.295,34 | 25,47 | 2 |
| 2007 | 508 | 16.332,32 | 32,15 | 1 |
| 2008 | 503 | 18.054,67 | 35,89 | 1 |
| 2009 | 424 | 15.633,23 | 36,87 | 2 |
| 2010 | 379 | 11.389,69 | 30,05 | 2 |
| 2011 | 514 | 13.011,74 | 25,31 | 1 |
| 2012 | 466 | 12.795,26 | 27,46 | 2 |
| 2013 | 624 | 15.900,84 | 25,48 | 2 |
| 2014 | 520 | 16.102,12 | 30,97 | 2 |
| 2015 | 592 | 19.862,93 | 33,55 | 4 |
| 2016 | 476 | 17.305,68 | 36,36 | 3 |
| 2017 | 437 | 15.609,05 | 35,72 | 3 |
| 2018 | 419 | 15.158,08 | 36,18 | 3 |
| 2019 | 475 | 13.848,46 | 29,15 | 3 |
| 2020 | 532 | 17.940,00 | 33,72 | 3 |
| 2021 | 473 | 14.969,25 | 31,65 | 2 |
| 2022 | 474 | 18.990,14 | 40,06 | 3 |
| 2023 | 448 | 17.393,96 | 38,83 | 3 |
| 2024 | 457 | 16.523,92 | 36,16 | 3 |
| totale | 9.400 | 304.116,68 | 32,35 | 45 |