| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 555 | 10.732,23 | 19,34 | 2 |
| 2007 | 42 | 866,21 | 20,62 | 3 |
| 2008 | 106 | 2.586,43 | 24,40 | 2 |
| 2009 | 293 | 5.549,40 | 18,94 | 3 |
| 2010 | 365 | 6.076,93 | 16,65 | 3 |
| 2011 | 154 | 2.467,15 | 16,02 | 3 |
| 2012 | 393 | 6.465,50 | 16,45 | 3 |
| 2013 | 487 | 7.632,17 | 15,67 | 4 |
| 2014 | 565 | 12.205,36 | 21,60 | 5 |
| 2015 | 556 | 11.159,43 | 20,07 | 4 |
| 2016 | 545 | 11.596,14 | 21,28 | 4 |
| 2017 | 506 | 10.119,48 | 20,00 | 4 |
| 2018 | 489 | 10.577,14 | 21,63 | 4 |
| 2019 | 509 | 11.537,89 | 22,67 | 4 |
| 2020 | 460 | 11.020,13 | 23,96 | 4 |
| 2021 | 419 | 9.868,27 | 23,55 | 4 |
| 2022 | 407 | 9.441,91 | 23,20 | 4 |
| 2023 | 416 | 9.297,17 | 22,35 | 4 |
| 2024 | 368 | 7.767,34 | 21,11 | 4 |
| totale | 7.635 | 156.966,28 | 20,56 | 68 |