| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 866 | 21.557,22 | 24,89 | 4 |
| 2007 | 928 | 29.261,38 | 31,53 | 3 |
| 2008 | 692 | 24.728,11 | 35,73 | 3 |
| 2009 | 633 | 21.564,85 | 34,07 | 4 |
| 2010 | 641 | 18.104,14 | 28,24 | 5 |
| 2011 | 619 | 17.856,55 | 28,85 | 4 |
| 2012 | 581 | 17.352,49 | 29,87 | 4 |
| 2013 | 669 | 19.077,82 | 28,52 | 5 |
| 2014 | 683 | 23.337,80 | 34,17 | 5 |
| 2015 | 646 | 21.439,85 | 33,19 | 5 |
| 2016 | 619 | 21.698,45 | 35,05 | 5 |
| 2017 | 601 | 20.236,15 | 33,67 | 6 |
| 2018 | 561 | 18.239,79 | 32,51 | 6 |
| 2019 | 537 | 17.362,11 | 32,33 | 6 |
| 2020 | 510 | 17.755,82 | 34,82 | 6 |
| 2021 | 458 | 16.127,42 | 35,21 | 6 |
| 2022 | 293 | 8.509,78 | 29,04 | 5 |
| 2023 | 314 | 8.355,72 | 26,61 | 5 |
| 2024 | 290 | 7.061,14 | 24,35 | 6 |
| totale | 11.141 | 349.626,59 | 31,38 | 93 |