| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 20 | 535,52 | 26,78 | 1 |
| 2009 | 10 | 268,64 | 26,86 | 1 |
| 2010 | 63 | 1.027,34 | 16,31 | 4 |
| 2011 | 26 | 369,44 | 14,21 | 1 |
| 2012 | 18 | 278,48 | 15,47 | 2 |
| 2013 | 43 | 553,93 | 12,88 | 2 |
| 2014 | 88 | 2.038,44 | 23,16 | 2 |
| 2015 | 44 | 927,27 | 21,07 | 2 |
| 2016 | 44 | 754,63 | 17,15 | 2 |
| 2017 | 36 | 600,82 | 16,69 | 2 |
| 2018 | 33 | 824,53 | 24,99 | 2 |
| 2019 | 30 | 573,78 | 19,13 | 2 |
| 2020 | 29 | 447,56 | 15,43 | 3 |
| 2021 | 30 | 519,47 | 17,32 | 3 |
| 2022 | 30 | 389,65 | 12,99 | 3 |
| 2023 | 28 | 491,61 | 17,56 | 3 |
| 2024 | 27 | 534,46 | 19,79 | 3 |
| totale | 599 | 11.135,57 | 18,59 | 38 |