| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 17 | 268,94 | 15,82 | 1 |
| 2009 | 13 | 317,22 | 24,40 | 1 |
| 2010 | 6 | 125,65 | 20,94 | 1 |
| 2012 | 3 | 67,03 | 22,34 | 1 |
| 2013 | 2 | 23,49 | 11,75 | 1 |
| 2014 | 2 | 63,39 | 31,70 | 1 |
| 2015 | 13 | 294,72 | 22,67 | 2 |
| 2016 | 4 | 112,41 | 28,10 | 1 |
| 2017 | 192 | 3.606,72 | 18,79 | 2 |
| 2018 | 385 | 8.740,54 | 22,70 | 2 |
| 2019 | 387 | 9.395,83 | 24,28 | 2 |
| 2020 | 419 | 10.427,97 | 24,89 | 2 |
| 2021 | 503 | 11.785,13 | 23,43 | 2 |
| 2022 | 468 | 11.241,98 | 24,02 | 2 |
| 2023 | 464 | 11.429,91 | 24,63 | 2 |
| 2024 | 479 | 11.887,71 | 24,82 | 2 |
| totale | 3.357 | 79.788,64 | 23,77 | 25 |