| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 27 | 790,01 | 29,26 | 1 |
| 2009 | 12 | 477,73 | 39,81 | 1 |
| 2010 | 17 | 392,37 | 23,08 | 1 |
| 2012 | 12 | 265,02 | 22,09 | 1 |
| 2013 | 10 | 302,98 | 30,30 | 1 |
| 2014 | 16 | 574,46 | 35,90 | 1 |
| 2015 | 12 | 453,40 | 37,78 | 1 |
| 2016 | 14 | 355,86 | 25,42 | 1 |
| 2017 | 15 | 305,31 | 20,35 | 1 |
| 2018 | 14 | 302,25 | 21,59 | 1 |
| 2019 | 10 | 258,21 | 25,82 | 1 |
| 2020 | 14 | 409,93 | 29,28 | 1 |
| 2021 | 12 | 208,05 | 17,34 | 1 |
| 2022 | 10 | 180,39 | 18,04 | 1 |
| 2023 | 9 | 310,86 | 34,54 | 1 |
| 2024 | 9 | 322,99 | 35,89 | 1 |
| totale | 213 | 5.909,82 | 27,75 | 16 |