| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2015 | 5 | 88,26 | 17,65 | 1 |
| 2016 | 570 | 14.656,05 | 25,71 | 4 |
| 2017 | 547 | 14.625,37 | 26,74 | 5 |
| 2018 | 503 | 13.288,69 | 26,42 | 5 |
| 2019 | 470 | 12.389,18 | 26,36 | 5 |
| 2020 | 443 | 12.784,89 | 28,86 | 6 |
| 2021 | 400 | 11.278,79 | 28,20 | 6 |
| 2022 | 357 | 11.232,10 | 31,46 | 5 |
| 2023 | 339 | 11.831,98 | 34,90 | 6 |
| 2024 | 302 | 10.446,22 | 34,59 | 8 |
| totale | 3.936 | 112.621,53 | 28,61 | 51 |