| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 98 | 1.623,70 | 16,57 | 3 |
| 2007 | 5 | 98,48 | 19,70 | 1 |
| 2009 | 4 | 33,45 | 8,36 | 1 |
| 2010 | 2 | 97,02 | 48,51 | 1 |
| 2012 | 4 | 117,68 | 29,42 | 1 |
| 2013 | 386 | 6.935,76 | 17,97 | 3 |
| 2014 | 419 | 9.103,07 | 21,73 | 3 |
| 2015 | 462 | 9.852,27 | 21,33 | 3 |
| 2016 | 456 | 9.205,08 | 20,19 | 3 |
| 2017 | 402 | 8.122,52 | 20,21 | 3 |
| 2018 | 359 | 6.965,82 | 19,40 | 3 |
| 2019 | 108 | 1.587,41 | 14,70 | 2 |
| 2020 | 365 | 7.081,73 | 19,40 | 2 |
| 2021 | 423 | 8.022,14 | 18,96 | 2 |
| 2022 | 442 | 9.228,88 | 20,88 | 2 |
| 2023 | 423 | 8.205,13 | 19,40 | 2 |
| 2024 | 403 | 7.821,75 | 19,41 | 2 |
| totale | 4.761 | 94.101,89 | 19,77 | 37 |