| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 513 | 14.817,60 | 28,88 | 3 |
| 2007 | 342 | 12.925,23 | 37,79 | 3 |
| 2008 | 415 | 13.443,93 | 32,40 | 2 |
| 2009 | 620 | 18.335,05 | 29,57 | 7 |
| 2010 | 549 | 15.913,84 | 28,99 | 8 |
| 2011 | 394 | 11.796,71 | 29,94 | 5 |
| 2012 | 424 | 13.110,33 | 30,92 | 8 |
| 2013 | 474 | 11.116,38 | 23,45 | 4 |
| 2014 | 443 | 16.530,59 | 37,32 | 9 |
| 2015 | 467 | 15.957,07 | 34,17 | 8 |
| 2016 | 468 | 16.291,01 | 34,81 | 7 |
| 2017 | 490 | 15.629,73 | 31,90 | 7 |
| 2018 | 468 | 15.655,25 | 33,45 | 9 |
| 2019 | 430 | 14.930,15 | 34,72 | 8 |
| 2020 | 411 | 14.674,38 | 35,70 | 9 |
| 2021 | 415 | 14.573,11 | 35,12 | 8 |
| 2022 | 216 | 7.480,30 | 34,63 | 6 |
| 2023 | 291 | 10.840,90 | 37,25 | 9 |
| 2024 | 296 | 8.642,94 | 29,20 | 10 |
| totale | 8.126 | 262.664,50 | 32,32 | 130 |