| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 405 | 12.225,81 | 30,19 | 4 |
| 2007 | 282 | 11.357,84 | 40,28 | 4 |
| 2008 | 323 | 10.833,70 | 33,54 | 2 |
| 2009 | 642 | 16.728,33 | 26,06 | 5 |
| 2010 | 371 | 9.967,31 | 26,87 | 4 |
| 2011 | 262 | 7.930,11 | 30,27 | 2 |
| 2012 | 369 | 9.695,11 | 26,27 | 4 |
| 2013 | 381 | 8.764,87 | 23,00 | 5 |
| 2014 | 437 | 12.381,68 | 28,33 | 5 |
| 2015 | 410 | 11.560,90 | 28,20 | 4 |
| 2016 | 398 | 10.867,78 | 27,31 | 4 |
| 2017 | 407 | 11.226,24 | 27,58 | 4 |
| 2018 | 349 | 9.967,20 | 28,56 | 4 |
| 2019 | 356 | 10.128,99 | 28,45 | 4 |
| 2020 | 320 | 9.138,44 | 28,56 | 4 |
| 2021 | 278 | 7.693,41 | 27,67 | 5 |
| 2022 | 325 | 8.975,25 | 27,62 | 6 |
| 2023 | 346 | 9.210,18 | 26,62 | 6 |
| 2024 | 347 | 8.933,18 | 25,74 | 6 |
| totale | 7.008 | 197.586,33 | 28,19 | 82 |