| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 21 | 317,44 | 15,12 | 1 |
| 2009 | 3 | 42,10 | 14,03 | 1 |
| 2010 | 2 | 25,29 | 12,65 | 1 |
| 2012 | 4 | 60,99 | 15,25 | 1 |
| 2013 | 3 | 50,31 | 16,77 | 2 |
| 2014 | 836 | 18.380,97 | 21,99 | 4 |
| 2015 | 650 | 13.619,15 | 20,95 | 4 |
| 2016 | 146 | 3.359,57 | 23,01 | 3 |
| 2017 | 581 | 11.222,73 | 19,32 | 4 |
| 2018 | 568 | 11.169,41 | 19,66 | 4 |
| 2019 | 645 | 12.946,56 | 20,07 | 4 |
| 2020 | 575 | 13.548,27 | 23,56 | 4 |
| 2021 | 309 | 8.158,57 | 26,40 | 4 |
| 2022 | 139 | 4.205,54 | 30,26 | 4 |
| 2023 | 133 | 4.089,72 | 30,75 | 5 |
| 2024 | 122 | 3.512,86 | 28,79 | 5 |
| totale | 4.737 | 104.709,48 | 22,10 | 51 |