| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 51 | 953,38 | 18,69 | 1 |
| 2009 | 7 | 86,81 | 12,40 | 1 |
| 2010 | 20 | 559,79 | 27,99 | 2 |
| 2011 | 154 | 2.164,03 | 14,05 | 2 |
| 2012 | 58 | 953,96 | 16,45 | 3 |
| 2013 | 236 | 3.638,84 | 15,42 | 3 |
| 2014 | 265 | 4.922,28 | 18,57 | 3 |
| 2015 | 311 | 6.148,06 | 19,77 | 4 |
| 2016 | 330 | 7.265,00 | 22,02 | 4 |
| 2017 | 313 | 6.053,03 | 19,34 | 4 |
| 2018 | 442 | 9.589,07 | 21,69 | 6 |
| 2019 | 338 | 7.160,69 | 21,19 | 7 |
| 2020 | 383 | 9.341,02 | 24,39 | 8 |
| 2021 | 503 | 10.889,24 | 21,65 | 8 |
| 2022 | 410 | 9.617,98 | 23,46 | 8 |
| 2023 | 424 | 10.511,65 | 24,79 | 8 |
| 2024 | 443 | 10.436,74 | 23,56 | 9 |
| totale | 4.688 | 100.291,57 | 21,39 | 81 |