| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 626 | 12.885,86 | 20,58 | 2 |
| 2007 | 514 | 11.656,95 | 22,68 | 1 |
| 2009 | 511 | 10.720,06 | 20,98 | 2 |
| 2010 | 559 | 11.220,30 | 20,07 | 2 |
| 2011 | 482 | 9.640,21 | 20,00 | 1 |
| 2012 | 497 | 10.526,27 | 21,18 | 2 |
| 2013 | 582 | 11.096,14 | 19,07 | 2 |
| 2014 | 566 | 13.378,83 | 23,64 | 2 |
| 2015 | 548 | 13.037,05 | 23,79 | 2 |
| 2016 | 515 | 12.952,06 | 25,15 | 2 |
| 2017 | 515 | 12.547,84 | 24,36 | 2 |
| 2018 | 457 | 11.913,20 | 26,07 | 2 |
| 2019 | 445 | 11.360,81 | 25,53 | 2 |
| 2020 | 440 | 12.045,04 | 27,38 | 2 |
| 2021 | 427 | 12.030,60 | 28,17 | 3 |
| 2022 | 389 | 11.697,60 | 30,07 | 4 |
| 2023 | 471 | 14.860,15 | 31,55 | 6 |
| 2024 | 452 | 13.021,57 | 28,81 | 9 |
| totale | 8.996 | 216.590,54 | 24,08 | 48 |