| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 668,11 | 17,58 | 1 |
| 2009 | 4 | 96,25 | 24,06 | 1 |
| 2010 | 18 | 201,69 | 11,21 | 1 |
| 2012 | 18 | 286,95 | 15,94 | 1 |
| 2013 | 17 | 257,99 | 15,18 | 1 |
| 2014 | 16 | 326,41 | 20,40 | 1 |
| 2015 | 20 | 483,55 | 24,18 | 1 |
| 2016 | 21 | 442,09 | 21,05 | 1 |
| 2017 | 19 | 444,71 | 23,41 | 1 |
| 2018 | 24 | 554,66 | 23,11 | 1 |
| 2019 | 17 | 428,46 | 25,20 | 1 |
| 2020 | 12 | 267,71 | 22,31 | 1 |
| 2021 | 12 | 336,43 | 28,04 | 1 |
| 2022 | 10 | 283,30 | 28,33 | 1 |
| 2023 | 14 | 382,37 | 27,31 | 1 |
| 2024 | 19 | 435,50 | 22,92 | 1 |
| totale | 279 | 5.896,18 | 21,13 | 16 |