| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 496 | 11.335,76 | 22,85 | 4 |
| 2007 | 251 | 6.516,86 | 25,96 | 2 |
| 2008 | 371 | 9.685,86 | 26,11 | 2 |
| 2009 | 396 | 10.432,58 | 26,34 | 4 |
| 2010 | 270 | 6.957,43 | 25,77 | 3 |
| 2011 | 333 | 7.657,19 | 22,99 | 3 |
| 2012 | 370 | 8.994,67 | 24,31 | 4 |
| 2013 | 357 | 8.681,91 | 24,32 | 4 |
| 2014 | 377 | 11.477,49 | 30,44 | 4 |
| 2015 | 366 | 12.069,16 | 32,98 | 5 |
| 2016 | 351 | 10.917,78 | 31,10 | 4 |
| 2017 | 336 | 10.661,40 | 31,73 | 5 |
| 2018 | 313 | 9.444,90 | 30,18 | 6 |
| 2019 | 279 | 8.948,05 | 32,07 | 7 |
| 2020 | 250 | 7.953,35 | 31,81 | 6 |
| 2021 | 268 | 8.107,44 | 30,25 | 7 |
| 2022 | 284 | 6.664,82 | 23,47 | 5 |
| 2023 | 271 | 7.720,21 | 28,49 | 6 |
| 2024 | 282 | 7.336,57 | 26,02 | 6 |
| totale | 6.221 | 171.563,43 | 27,58 | 87 |