| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 455 | 8.745,50 | 19,22 | 3 |
| 2007 | 437 | 9.979,37 | 22,84 | 3 |
| 2008 | 409 | 10.405,30 | 25,44 | 3 |
| 2009 | 386 | 10.051,75 | 26,04 | 5 |
| 2010 | 584 | 11.887,73 | 20,36 | 6 |
| 2011 | 698 | 13.843,07 | 19,83 | 5 |
| 2012 | 796 | 17.380,83 | 21,84 | 7 |
| 2013 | 723 | 15.132,94 | 20,93 | 7 |
| 2014 | 558 | 14.800,99 | 26,53 | 6 |
| 2015 | 565 | 16.169,60 | 28,62 | 7 |
| 2016 | 555 | 15.820,06 | 28,50 | 7 |
| 2017 | 541 | 15.904,40 | 29,40 | 7 |
| 2018 | 519 | 16.373,01 | 31,55 | 9 |
| 2019 | 501 | 16.172,32 | 32,28 | 8 |
| 2020 | 461 | 13.661,97 | 29,64 | 8 |
| 2021 | 416 | 12.440,09 | 29,90 | 7 |
| 2022 | 311 | 8.934,50 | 28,73 | 6 |
| 2023 | 312 | 8.542,61 | 27,38 | 6 |
| 2024 | 315 | 8.058,39 | 25,58 | 6 |
| totale | 9.542 | 244.304,43 | 25,60 | 116 |