| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 192 | 3.540,73 | 18,44 | 2 |
| 2007 | 13 | 306,87 | 23,61 | 1 |
| 2008 | 9 | 237,08 | 26,34 | 1 |
| 2009 | 31 | 860,68 | 27,76 | 2 |
| 2010 | 29 | 595,87 | 20,55 | 4 |
| 2012 | 24 | 478,57 | 19,94 | 1 |
| 2013 | 22 | 449,49 | 20,43 | 1 |
| 2014 | 33 | 725,24 | 21,98 | 1 |
| 2015 | 26 | 821,39 | 31,59 | 1 |
| 2016 | 16 | 491,91 | 30,74 | 1 |
| 2017 | 54 | 1.704,33 | 31,56 | 1 |
| 2018 | 84 | 2.572,11 | 30,62 | 1 |
| 2019 | 91 | 2.831,59 | 31,12 | 2 |
| 2020 | 114 | 3.264,89 | 28,64 | 2 |
| 2021 | 108 | 3.585,77 | 33,20 | 2 |
| 2022 | 93 | 3.243,10 | 34,87 | 2 |
| 2023 | 83 | 2.713,67 | 32,69 | 2 |
| 2024 | 79 | 2.972,00 | 37,62 | 3 |
| totale | 1.101 | 31.395,29 | 28,52 | 30 |