| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 65 | 1.016,44 | 15,64 | 1 |
| 2009 | 22 | 415,51 | 18,89 | 1 |
| 2010 | 17 | 267,99 | 15,76 | 1 |
| 2012 | 20 | 274,50 | 13,73 | 1 |
| 2013 | 19 | 241,95 | 12,73 | 1 |
| 2014 | 18 | 280,91 | 15,61 | 1 |
| 2015 | 19 | 359,05 | 18,90 | 1 |
| 2016 | 12 | 203,02 | 16,92 | 1 |
| 2017 | 13 | 264,29 | 20,33 | 1 |
| 2018 | 13 | 280,37 | 21,57 | 1 |
| 2019 | 16 | 284,58 | 17,79 | 1 |
| 2020 | 14 | 259,10 | 18,51 | 1 |
| 2021 | 14 | 236,34 | 16,88 | 1 |
| 2022 | 11 | 220,10 | 20,01 | 1 |
| 2023 | 14 | 473,45 | 33,82 | 1 |
| 2024 | 12 | 229,19 | 19,10 | 1 |
| totale | 299 | 5.306,79 | 17,75 | 16 |