| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 766,33 | 17,42 | 1 |
| 2008 | 1 | 14,32 | 14,32 | 1 |
| 2009 | 21 | 344,49 | 16,40 | 1 |
| 2010 | 10 | 156,32 | 15,63 | 1 |
| 2012 | 12 | 318,22 | 26,52 | 1 |
| 2013 | 13 | 314,28 | 24,18 | 2 |
| 2014 | 13 | 441,91 | 33,99 | 1 |
| 2015 | 21 | 887,26 | 42,25 | 2 |
| 2016 | 8 | 196,35 | 24,54 | 1 |
| 2017 | 13 | 502,39 | 38,65 | 1 |
| 2018 | 12 | 479,48 | 39,96 | 1 |
| 2019 | 21 | 464,65 | 22,13 | 2 |
| 2020 | 30 | 659,61 | 21,99 | 2 |
| 2021 | 29 | 713,13 | 24,59 | 2 |
| 2022 | 28 | 774,14 | 27,65 | 2 |
| 2023 | 31 | 792,60 | 25,57 | 2 |
| 2024 | 30 | 563,68 | 18,79 | 2 |
| totale | 337 | 8.389,16 | 24,89 | 25 |