| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 489 | 9.817,51 | 20,08 | 4 |
| 2007 | 362 | 8.667,22 | 23,94 | 3 |
| 2008 | 449 | 10.520,69 | 23,43 | 2 |
| 2009 | 460 | 10.761,70 | 23,40 | 4 |
| 2010 | 419 | 8.126,03 | 19,39 | 4 |
| 2011 | 427 | 8.323,24 | 19,49 | 3 |
| 2012 | 416 | 7.844,24 | 18,86 | 4 |
| 2013 | 542 | 10.770,34 | 19,87 | 5 |
| 2014 | 391 | 8.723,94 | 22,31 | 4 |
| 2015 | 510 | 12.431,48 | 24,38 | 5 |
| 2016 | 388 | 9.408,51 | 24,25 | 4 |
| 2017 | 411 | 9.003,57 | 21,91 | 3 |
| 2018 | 374 | 8.183,89 | 21,88 | 5 |
| 2019 | 343 | 7.963,84 | 23,22 | 5 |
| 2020 | 400 | 9.741,53 | 24,35 | 5 |
| 2021 | 401 | 9.940,49 | 24,79 | 5 |
| 2022 | 22 | 413,48 | 18,79 | 1 |
| 2023 | 23 | 336,31 | 14,62 | 1 |
| 2024 | 38 | 840,35 | 22,11 | 1 |
| totale | 6.865 | 151.818,36 | 22,11 | 68 |