| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 340 | 5.570,04 | 16,38 | 2 |
| 2008 | 35 | 1.076,71 | 30,76 | 1 |
| 2009 | 147 | 3.416,43 | 23,24 | 2 |
| 2010 | 364 | 5.836,58 | 16,03 | 2 |
| 2011 | 26 | 291,28 | 11,20 | 1 |
| 2012 | 336 | 5.495,22 | 16,35 | 3 |
| 2013 | 351 | 6.831,43 | 19,46 | 3 |
| 2014 | 344 | 8.717,74 | 25,34 | 3 |
| 2015 | 286 | 7.367,63 | 25,76 | 3 |
| 2016 | 299 | 8.777,98 | 29,36 | 4 |
| 2017 | 305 | 7.796,46 | 25,56 | 4 |
| 2018 | 353 | 8.093,69 | 22,93 | 5 |
| 2019 | 334 | 8.188,63 | 24,52 | 5 |
| 2020 | 425 | 12.259,18 | 28,85 | 5 |
| 2021 | 383 | 11.703,31 | 30,56 | 5 |
| 2022 | 374 | 10.971,54 | 29,34 | 5 |
| 2023 | 379 | 9.918,50 | 26,17 | 5 |
| 2024 | 368 | 9.560,52 | 25,98 | 6 |
| totale | 5.449 | 131.872,87 | 24,20 | 64 |