| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 43 | 1.307,57 | 30,41 | 1 |
| 2009 | 11 | 229,37 | 20,85 | 1 |
| 2010 | 23 | 492,15 | 21,40 | 2 |
| 2012 | 8 | 186,97 | 23,37 | 1 |
| 2013 | 7 | 225,42 | 32,20 | 1 |
| 2014 | 10 | 405,79 | 40,58 | 1 |
| 2015 | 5 | 87,27 | 17,45 | 1 |
| 2016 | 10 | 189,05 | 18,91 | 2 |
| 2017 | 10 | 354,37 | 35,44 | 1 |
| 2018 | 6 | 163,22 | 27,20 | 1 |
| 2019 | 5 | 222,15 | 44,43 | 1 |
| 2020 | 6 | 213,26 | 35,54 | 1 |
| 2021 | 3 | 221,28 | 73,76 | 1 |
| 2022 | 8 | 376,12 | 47,02 | 2 |
| 2023 | 4 | 170,96 | 42,74 | 2 |
| 2024 | 1 | 75,58 | 75,58 | 1 |
| totale | 160 | 4.920,53 | 30,75 | 20 |